v2.0.0: Merge pull request #3 from MikeFot/horizontal-recycler

• Created a new Comics Fragment with a horizontal scrolling list.

Added Favourites and Replaced Card Stack View

• Card Stack View is now using the updated library version which extends RecyclerView.
• Added a Favourites Fragment.
• Using Paging Library for handling going through the list.
• Added Glide Preloading.

Share Functionality

• Added a Share button

Bugfixes / Improvements

Improvements:

• Added an about dialog
  Bugfixes:
• Fixed an issue with typing nothing in the Search dialog

Initial Release

Initial release of XKCD reader with CardStackView.

Additional Features:

• Search comic functionality
• Refresh comics functionality
• Fresco image loading