Merge pull request #377 from Grunthos/master

Grunthos Current Beta (will be 4.2)
Merge pull request #24 from rwetzlmayr/l10n-de

German l10n for 4.2.
Translation and string updates
Merge pull request #397 from Grunthos/master

More updates
Updated README
Merge pull request #400 from Grunthos/master

Minor update
Minor string changes and reformatted key layouts

- changed name 'silin' to 'Nick Silin' in update message
- reformatted main_menu.xml, administration_functions.xml,
booklist_preferences.xml
Merge pull request #401 from Grunthos/master

More minor updates
Updating Russian translation
Merge pull request #402 from silin/master

Updating Russian translation
1) Significant improvement of administration_functions and main_menu layouts:
    - replacing compound items (consisting of LinearLayout + ImageView + TextView) by items consisting of single TextView;
    - adding styles and dimensions resources to avoid code duplicating

2) In edit_book layout removed row from TextView with attribute related with EditText
Merge https://github.com/silin/Book-Catalogue
Updated readme
4.1.6 Beta 24 release changes
Merge pull request #404 from Grunthos/master

New beta
Reformatting only
Merge pull request #405 from Grunthos/master

Reformatting and cleanup
Make sure CoversDbHelper only uses a single database connection
More view cleanups

Inspired by Nick's efforts, cleaned up some high-use views
Bug fix when editing a book's series details