v0.4

Merge branch 'develop'

Conflicts:
	app/AndroidManifest.xml
	app/res/layout/drawer_list_item.xml
	app/src/ru/bsuirhelper/android/core/notes/NoteDatabase.java
	app/src/ru/bsuirhelper/android/ui/DialogFragmentAddGroup.java
	app/src/ru/bsuirhelper/android/ui/DownloadScheduleTask.java
	app/src/ru/bsuirhelper/android/ui/notes/FragmentNotes.java
	app/src/ru/bsuirhelper/android/ui/schedule/DialogDatePicker.java
	app/src/ru/bsuirhelper/android/ui/schedule/GroupsViewAdapter.java

v0.3

Release version

v0.1

First release on Google Play! :)