Adding gemnasium badge
resizes EvaP logo to Bootstrap navbar height (mobile-ready), ref #317
Merge pull request #321 from Somae/master

resizes EvaP logo to Bootstrap navbar height (mobile-ready), ref #317
Added shields to README
lower lanscape verbosity
fix typos and inconsistencies in german an english strings
Merge pull request #319 from PFischbeck/string_fixes
Merge pull request #328 from hubx/feature/shields

adding landscape and gemnasium