Update android and gradle version, adding common functions to CMUtils
Added DatePickerDialogFragment.
Merge branch 'develop' into material_develop

Conflicts:
	BaseAndroid/build.gradle
	BaseAndroid/src/main/res/values/dimens.xml
	BaseAndroid/src/main/res/values/strings.xml
	BaseAndroidTest/build.gradle
	gradle/wrapper/gradle-wrapper.properties