small textual changes in welcome screen
first version of editor for travel stages
crappy version of icons not included in glyphicons halflings
made some js jshint compliant
replace icons by tphq icon font
added about page with credits for freepik
added content page controller/view with json content
content pages use markdown
Merge branch 'feature/add-travel-editor' into develop
Merge branch 'release/0.0.12'