Some drafts of main activity widgets were made
1. TitledCard view
2. Drafts of schedule list view items
TODO: Implement CurrentScheduleAdapter
Migrate

1. Project has migrated from Eclipse to IDEA
2. Structure of packages was changed
1. Implemented CUrrentScheduleAdapter
2. Brushed up the navigation drawer

TODO: implement JournalActivity (ViewPager, GridView and other UIs)
JournalActivity

1. Basic layout has been implemented
2. ViewPager contains fragment with GridView
3. Touch event on GridView duplicates on ListView with students
TODO:
1. Sync ListVIew touch event with GridView
2. Implement custom adapters for students ListView and marks GridView
Journal Activity

1. Added a synchronization between main ListView and GridView
2. Some bugs appearing while swiping the pager was fixed
TODO
Improve ViewTouchSynchronizer to avoid dispatching click events on
synced view
Server Api class was remade
Now it's singleton
Preference Activity was created
Other things was fixed and done also
continuation of prev commit
1. Marks GridView was replaced by ListView and adapter simulating the GridView's row behaviour was created. It was done because only ListView has a method setSelectionFromTop
2. ListViews scrolling synchronizing mechanism was changed: now it's under ViewTreeObserver.OnDrawListener control

TODO: fix crash when scrolling new appeared in ViewPager marks ListView
1. Marks GridView was replaced by ListView and adapter simulating the GridView's row behaviour was created. It was done because only ListView has a method setSelectionFromTop
2. ListViews scrolling synchronizing mechanism was changed: now it's under ViewTreeObserver.OnDrawListener control

TODO: fix crash when scrolling new appeared in ViewPager marks ListView
Beta version of JournalActivity has been created: now we can scroll both listviews (iscrolling is synchronized) and swipe between marks fragments with saving the scrolling position.
TODO: implement tabs and group select fragment to left of groups list
Now JournalActivity consists of 2 sections: groups select listview and marks composite view. We can move between this sections using tabs at the bottom. All this transitions are animated.
TODO:
brush up the appearance of views (colors, fonts etc.)
Some appearance of main activity page has been brushed up.
TODO:
1. Do fragments for each section in drawer menu (except Settings, About)
2. Care about handling screen rotation
preparing for merging to master
preparing for merging to master