Add viewport meta

As recommended on bootstrap site.
Fix feedback form styling for mozilla

Added div with col width around the inputs.
Put edit button on same row as the content.
Make label column slightly smaller.
Add viewport meta to all html files.
More room for feedback input on small devices.
Merge branch 'master' of https://github.com/molgenis/molgenis
Merge pull request #1797 from fdlk/master

bootstrap 3 feedback form on mozilla plus viewport meta