Feedback module (#1742)

*  Implemented Statistics

*  Basic Structure Implemented

*  Layout made screen independent and menu inflated

*  Share Screenshot using cache

*  Improved the Image Bound and added strings

*  Improved the quality of Pr

*  Wired to navigation drawer

*  Changed the bounds of the image

*  Added Info icon

* Removed the unecessary functionality

*  Updated JavaDocs and fetch the username

*  Fetch JsonObject from the api using JavaRx and OkHttp

* Added JavaDocs and improved quality

* fixed strings file

*  Improved the quality of pr

*  Render thanks , images used in articles on screen

*  fetch and rendered the upload count

*  FeaturedImages statistics rendered and Javadocs added

*  added ProgressBar

*  Added Class for calculating level

*  added level info and returned level info

*  level up info rendered on achievement activity

*  Inflated Level Number

*  Added the structure for badge

*  Added LevelUpInfo Programmetically on Drawable

*  aligned the text

*  changed the text

*  Implemented the structure for changing colour of drawable

*  Added functionality to change colours of badge during runtime

*  Added custom alert for share option

*  Improved the UI of screen

*  Added the alertDialog for info button

*  Improved the quality of PR

*  Added Builder model

*  Added Enum Model and increased levels to 15

* removed redundant class

*  Changed strings and added subtext

* Feedback Module: Add reverts rate parameter (#1649)

* Fetched Revert Count

* Refactored Achievements class and display the fetched results

* Refactored the levelController to include revert as parameter

*  Fixed error

*  Fixed bug

*  Added information for parameters and improved code quality

*  Javadocs added

*  Added null check and javadocs

*  Removed extra spaces

app/src/main/res/values/dimens.xml

@@ -4,6 +4,7 @@
     <!-- Standard margin / padding for the containing activity -->
     <dimen name="activity_margin_horizontal">16dp</dimen>
     <dimen name="activity_margin_vertical">16dp</dimen>
+    <dimen name="achievements_activity_margin_vertical">8dp</dimen>
 
     <!-- Standard margins / padding -->
     <dimen name="huge_gap">48dp</dimen>