issue #11 code review_8
some changes
dpi in pictures are changed
Merge branch 'issue_8_review2' of https://github.com/kotetsky/android3 into issue11_review2
Merge pull request #11 from kotetsky/issue_8_review2

Issue 8 review2
Merge branch 'master' into issue3_dao

Conflicts:
	res/drawable-hdpi/image_button_add_note.png
	res/drawable-mdpi/image_button_add_note.png
	res/drawable-xhdpi/image_button_add_note.png
	res/drawable-xxhdpi/image_button_add_note.png
	res/drawable-xxxhdpi/image_button_add_note.png
	src/com/kotetsky/notes/AddNoteActivity.java
	src/com/kotetsky/notes/NoteListActivity.java
	src/com/kotetsky/notes/storage/dao/NotesDao.java