broken key icon added + icon is shown on 'not running' notification
debug logs removed
corrected image size
status message string from resource, clearer status message for 'not running', bugfix for bug #4477
Fixed SecureRandom PRNG problem.

Solution copied from
http://android-developers.blogspot.de/2013/08/some-securerandom-thoughts.html
Sometimes /dev/urandom is not writable.

Copied again from http://android-developers.blogspot.de/2013/08/some-securerandom-thoughts.html
Check B % N != 0 in SRP algorithm.
Removed an spurious comment.
shows the broken key symbol on specific states, not on messages from R.string
Authenticated status remembered after exit.

If the user presses the back button and returns to leap_android, the app
will show login or logout button remembering if s/he was authenticated
or not.

This fixes bug #3467.
Merge branch 'feature/action-bar-overflow-menu-and-upper-action-item' into develop
Add package declaration and attribution source to PRNGFixes.java
Merge branch 'bug/secure-random-vulnerability' into develop
Merge branch 'bug/srp-b-validation' into develop
Shortcut widget removed
Merge branch 'bug/shortcut-widget-crash' into develop
Merge branch 'feature/disconnect-notification-icon' into develop
fixed broken package names in bcd9589
Merge branch 'hotfix/broken-package-names' into develop
Authenticated status remembered after exit.

If the user presses the back button and returns to leap_android, the app
will show login or logout button remembering if s/he was authenticated
or not.

This fixes bug #3467.