Merge pull request #39 from Apogaea/koda/styles

Mostly style tweaks, added Google Analytics, layout and spelling fixes
added ability to clear codes in bulk
added ability to clear codes in bulk
pep8
 dirty
Merge pull request #40 from Apogaea/koda/masspass

added ability to clear codes in bulk
responsive style changes
showing which shifts are locked
significant round of styles and fixes