fix imports
Merge branch 'master' of github.com:anodamobi/ANCategories

# By Alex Zavrazhniy
# Via Alex Zavrazhniy
* 'master' of github.com:anodamobi/ANCategories:
  podspec update: added reactivecocoa dependency
  podspec update: added deployment target
  moved all categories to the ANCategories folder; podspec update; version increment