Explain how to calculate time stamps.
Print missing line.
Update year of development and contributors.
Remove redundant code for horizontal line.
Remove duplicate resource identifier.
Disable translation checks for configuration strings via Lint.
Add missing German translations.
Add link to Google PlayStore.
Add horizontal line before copyright notes.
Reference libraries in About screen.
Add conference URL to About screen.
Merge pull request #35 from johnjohndoe/feature/fossgis-goodies

feature/fossgis-goodies