Merge pull request #5340 from cb1kenobi/master

[TIMOB-16320] Removed debug console.log() call.
More updates. Added images
TIMOB-10419-Added support for proximity sensor in Android
TIMOB-9959-Added null check for url in propertychanged
Alloy description updates
[TIMOB-16125] checkin for hyperloop de-dup for ios modules
[TIDOC-1528] 3.2.1 Release Notes
Merge pull request #5344 from bhatfield/tidoc-1528

Approved/merged.
ownerDocumentproperty test commented
textfield2 is removed from the testcase
resynced with master
resynced with master
TIMOB-15888-Use scaleDetector only if PINCH event needs to be handled
Merge pull request #5020 from jithinv/Ti_webview

Anvil test cases for suite Ti.UI.Webview
only check for existance of libfile
Merge pull request #5038 from jithinv/iphone_NavigationGroup

anvil test cases for suite iphone_NavigationGroup
Merge pull request #4865 from jithinv/slider

test cases suite TiUiSlider
Merge pull request #5149 from jithinv/kitchenSink_json

anvil test case for kitchenSink/platform/json
Merge pull request #5152 from jithinv/js_search

anvil test case for kitchenSink/platform/js_search
Merge pull request #5343 from jhaynie/master

[TIMOB-16125] checkin for hyperloop de-dup for ios modules