first test to add a gradle local dependency
remove android-passcodelock for now
use android-passcodelock as a local dependency
use maven central repo for some old packages
Merge branch 'develop' into issue/1423-gradle-local-dependencies

Conflicts:
	build.gradle
use mixpanel-android provided by maven central
add git submodule commands to the readme
Moved to gradle multiproject build structure
Add comment to top level build.gradle
Merge branch 'issue/1423-gradle-local-dependencies' of github.com:wordpress-mobile/WordPress-Android into issue/gradle-structure

Merges #1423

`com.mixpanel.android:mixpanel-android:4.2.1` is missing:

`com.mixpanel.android.mpmetrics.MixpanelAPI`

Conflicts:
	WordPress/libs/MixpanelAPI.jar
	build.gradle
	settings.gradle
Using aar artifact for mixpanel
Merge branch 'develop' of github.com:wordpress-mobile/WordPress-Android into issue/gradle-structure

Conflicts:
	build.gradle
Updating gson to 2.2.4
Reverting to gson 2.2.2

`StringMap` is no longer available.

> Replaced by LinkedHashTreeMap.

https://groups.google.com/forum/#!topic/google-gson/hRi8Vqc9xLg
fix the output directory where crashlytics.properties is generated
Merge branch 'feature/modularization' into issue/1561-move-utils

Conflicts:
	WordPress/src/main/java/org/wordpress/android/ui/reader/ReaderUtils.java
	WordPress/src/main/java/org/wordpress/android/util/AuthErrorDialogFragment.java
	WordPress/src/main/java/org/wordpress/android/util/CheckedLinearLayout.java
	WordPress/src/main/java/org/wordpress/android/util/CommentBadgeTextView.java
	WordPress/src/main/java/org/wordpress/android/util/DrawableManager.java
	WordPress/src/main/java/org/wordpress/android/util/FlowLayout.java
	WordPress/src/main/java/org/wordpress/android/util/ImageHelper.java
	WordPress/src/main/java/org/wordpress/android/util/IntHashMap.java
	WordPress/src/main/java/org/wordpress/android/util/LinePageIndicator.java
	WordPress/src/main/java/org/wordpress/android/util/MediaDeleteService.java
	WordPress/src/main/java/org/wordpress/android/util/MediaGalleryImageSpan.java
	WordPress/src/main/java/org/wordpress/android/util/MediaUploadService.java
	WordPress/src/main/java/org/wordpress/android/util/MediaUtils.java
	WordPress/src/main/java/org/wordpress/android/util/MessageBarUtils.java
	WordPress/src/main/java/org/wordpress/android/util/NotificationDismissBroadcastReceiver.java
	WordPress/src/main/java/org/wordpress/android/util/PageIndicator.java
	WordPress/src/main/java/org/wordpress/android/util/PostUploadService.java
	WordPress/src/main/java/org/wordpress/android/util/ReaderVideoUtils.java
	WordPress/src/main/java/org/wordpress/android/util/SimperiumUtils.java
	WordPress/src/main/java/org/wordpress/android/util/StatUtils.java
	WordPress/src/main/java/org/wordpress/android/util/ThemeHelper.java
	WordPress/src/main/java/org/wordpress/android/util/Utils.java
	WordPress/src/main/java/org/wordpress/android/util/WPAlertDialogFragment.java
	WordPress/src/main/java/org/wordpress/android/util/WPEditText.java
	WordPress/src/main/java/org/wordpress/android/util/WPEditTextPreference.java
	WordPress/src/main/java/org/wordpress/android/util/WPImageSpan.java
	WordPress/src/main/java/org/wordpress/android/util/WPUnderlineSpan.java
	WordPress/src/main/java/org/wordpress/android/util/WPViewPager.java
	WordPress/src/main/java/org/wordpress/android/util/stats/AnalyticsTracker.java
	WordPress/src/main/java/org/wordpress/android/util/stats/AnalyticsTrackerMixpanel.java
	WordPress/src/main/java/org/wordpress/android/util/stats/AnalyticsTrackerMixpanelInstructionsForStat.java
	WordPress/src/main/java/org/wordpress/android/util/stats/AnalyticsTrackerWPCom.java
	src/org/wordpress/android/analytics/AnalyticsTracker.java
	src/org/wordpress/android/analytics/AnalyticsTrackerMixpanel.java
	src/org/wordpress/android/analytics/AnalyticsTrackerMixpanelInstructionsForStat.java
	src/org/wordpress/android/analytics/AnalyticsTrackerWPCom.java
	src/org/wordpress/android/ui/media/MediaUtils.java
	src/org/wordpress/android/ui/media/services/MediaDeleteService.java
	src/org/wordpress/android/ui/media/services/MediaUploadService.java
	src/org/wordpress/android/ui/notifications/NotificationDismissBroadcastReceiver.java
	src/org/wordpress/android/ui/notifications/SimperiumUtils.java
	src/org/wordpress/android/ui/posts/PostUploadService.java
	src/org/wordpress/android/ui/reader/ReaderUtils.java
	src/org/wordpress/android/ui/reader/utils/MessageBarUtils.java
	src/org/wordpress/android/ui/reader/utils/ReaderUtils.java
	src/org/wordpress/android/ui/reader/utils/ReaderVideoUtils.java
	src/org/wordpress/android/ui/stats/StatsUtils.java
	src/org/wordpress/android/ui/themes/ThemeUtils.java
	src/org/wordpress/android/util/AuthErrorDialogFragment.java
	src/org/wordpress/android/util/CheckedLinearLayout.java
	src/org/wordpress/android/util/FlowLayout.java
	src/org/wordpress/android/util/MediaDeleteService.java
	src/org/wordpress/android/util/MediaGalleryImageSpan.java
	src/org/wordpress/android/util/MediaUploadService.java
	src/org/wordpress/android/util/MediaUtils.java
	src/org/wordpress/android/util/MessageBarUtils.java
	src/org/wordpress/android/util/NotificationDismissBroadcastReceiver.java
	src/org/wordpress/android/util/PostUploadService.java
	src/org/wordpress/android/util/ReaderVideoUtils.java
	src/org/wordpress/android/util/SimperiumUtils.java
	src/org/wordpress/android/util/StatUtils.java
	src/org/wordpress/android/util/ThemeHelper.java
	src/org/wordpress/android/util/WPAlertDialogFragment.java
	src/org/wordpress/android/util/WPEditText.java
	src/org/wordpress/android/util/WPEditTextPreference.java
	src/org/wordpress/android/util/WPImageSpan.java
	src/org/wordpress/android/util/WPUnderlineSpan.java
	src/org/wordpress/android/util/WPViewPager.java
	src/org/wordpress/android/util/stats/AnalyticsTracker.java
	src/org/wordpress/android/util/stats/AnalyticsTrackerMixpanel.java
	src/org/wordpress/android/util/stats/AnalyticsTrackerMixpanelInstructionsForStat.java
	src/org/wordpress/android/util/stats/AnalyticsTrackerWPCom.java
	src/org/wordpress/android/widgets/AuthErrorDialogFragment.java
	src/org/wordpress/android/widgets/CheckedLinearLayout.java
	src/org/wordpress/android/widgets/FlowLayout.java
	src/org/wordpress/android/widgets/MediaGalleryImageSpan.java
	src/org/wordpress/android/widgets/WPAlertDialogFragment.java
	src/org/wordpress/android/widgets/WPEditText.java
	src/org/wordpress/android/widgets/WPEditTextPreference.java
	src/org/wordpress/android/widgets/WPImageSpan.java
	src/org/wordpress/android/widgets/WPUnderlineSpan.java
	src/org/wordpress/android/widgets/WPViewPager.java