Merge branch 'development'
Merge branch 'development'
Added column heads to homes table
Fixed a bug with editing hosts without tags or homes

Previously if a host did not have any tags or homes set during
creation, it was unable to add any when editted later.
Improved gitignore
Rearrange bootstrap's files

Bootstrap's CSS has a static path to refer to the img's so just
rearranged it all.
Merge branch 'master' into development