[FrontEnd] Tested that app works as expected after merge with master
[FrontEnd] Moved internet permission in manifest
[FrontEnd] Performed Clean operation on project
[FrontEnd] Enabled variable set to true on manifest
[FrontEnd] Get list of courses from server
[FrontEnd] Refactored server connect code
[FrontEnd] Fully populate expandable list
[FrontEnd] Created visual feedback for populating list
[FrontEnd] Added list refresh functionality
[FrontEnd] Removed three level script browsing
[FrontEnd] Removed unused method
[FrontEnd] Added NavDrawer
[FrontEnd] Open drawer with app icon
[FrontEnd] Added ExpandableListView to drawer view
[FrontEnd] Moved expandable list view initialisation to separate method
[FrontEnd] Removed activity_test_screen_browser xml file
[FrontEnd] Changed navigation drawer colour
[FrontEnd] Implemented navigation to test scripts
[FrontEnd] Implemented updating for navigation drawer
[FrontEnd] Added shadow to drawer