Merge pull request #1 from praveendath92/master

Update the APIs branch with all commits so far
Sqllite work started
CourseParser: Added conditions for TAG exits checking
Enrolledusercount field in MoodleCourse model
Author details in SqlLite.java
Left drawer list view item modifications
CustomListView adapter and typefaces in HomeDrawerActivity
Enrolledusercount param in CourseParser
CustomListView adapter in DrawerActivity
Merge pull request #2 from praveendath92/APIs

Merge APIs with master