Added PageAnimation on Form (needs work on XML Parser and direction)

Signed-off-by: Michalis Vitos <info@michalisvitos.gr>
JavaDoc fixed

Signed-off-by: Michalis Vitos <info@michalisvitos.gr>
Added direction to the PageNavigation

Signed-off-by: Michalis Vitos <info@michalisvitos.gr>
Added PageAnimation in XML parser

Signed-off-by: Michalis Vitos <info@michalisvitos.gr>
Added PageAnimation in documentation

Signed-off-by: Michalis Vitos <info@michalisvitos.gr>
Typo

Signed-off-by: Michalis Vitos <info@michalisvitos.gr>
More Crashlytics Debugging infos

Signed-off-by: Michalis Vitos <info@michalisvitos.gr>
(cherry picked from commit 125906e0350d8aac6b3a9b2927e09a20566e9d59)

Conflicts:
	CollectorAndroid/src/uk/ac/ucl/excites/sapelli/collector/CollectorApp.java
Changed the way PageAnimation works to also animate the previous view and be compatible with older versions of Android

Signed-off-by: Michalis Vitos <info@michalisvitos.gr>
Added Vertical (Up and Down) PageAnimation

Signed-off-by: Michalis Vitos <info@michalisvitos.gr>
Merge PageAnimation feature on master

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