Merge branch 'release/0.7' into develop

* release/0.7:
  bump 0.7
start 0.8
add new fields to Country/Location
django 1.7 compatibility
django 1.7 compatibility
removed demo project
updates gitignore
removed django-modeltranslation dependency
add field <iata> to Location
Merge branch 'feature/d17' into develop

* feature/d17:
  add field <iata> to Location
  removed django-modeltranslation dependency
  updates gitignore
  removed demo project
  django 1.7 compatibility
  django 1.7 compatibility
bump 0.8
Merge branch 'release/0.8'

* release/0.8:
  bump 0.8
  add field <iata> to Location
  removed django-modeltranslation dependency
  updates gitignore
  removed demo project
  django 1.7 compatibility
  django 1.7 compatibility
  add new fields to Country/Location
  start 0.8