* Fix issue#1772
Add the CDATA tag to welcome_help_button_text string. Set the text of the corresponding textview using Html.fromHtml() function.
* Fix issue#1772
Add the CDATA tag to nominated_see_more string. Set the text of the corresponding textview using Html.fromHtml() function.
* Quiz (#1629)
* Layout inflated
* Layout for mcq added
* Inflated Basic Layout
* Implemented basic flow
* Added the basic implementation pf score
* Added the result layout
* Added the result layout
* Added functionality to set result
* Changed the launcher intent to Quiz Activity for testing purpose
* Explanations of answers added
* Improved the layout of quiz result a bit
* Fixed some minor issues
* Fixed build issues
* Api Added and basic structure for calling implemented
* Added intents
* Added the title
* Fixed image error and improved quality of pr
* Made separate class for checking quiz
* Added counter
* Implemented back and next for quiz result
* Added back functionality to quiz
* Added progressBar
* Fixed bugs
* Improved code quality
* Imporved code Quality
* Updated strings
* Added share screenshot function
* Added checks and improved UI
* Removed unused string
* Removed unused string
* Adding checks and improving code quality
* Changed string
* Improved code quality
* Update strings.xml
* Update MediaWikiApi.java
* Fix build
