minor bug fixes.
Merge pull request #1332 from ne0fhyk/master

Minor bug fixes
bug fixes based on analytics reported crashes.
Merge branch 'master' of https://github.com/DroidPlanner/droidplanner into bug_fixes
version name update.
version name update.
version code update.
Merge pull request #1333 from ne0fhyk/bug_fixes

Bug fixes