#add dropbox CBS to settings
Merge branch 'master' of https://github.com/OPENi-ict/api-framework.git
Merge branch 'master' of https://github.com/OPENi-ict/api-framework.git
Merge branch 'master' of https://github.com/OPENi-ict/api-framework.git
Merge branch 'master' of https://github.com/OPENi-ict/api-framework.git
Merge branch 'master' of https://github.com/OPENi-ict/api-framework.git
Merge branch 'master' of https://github.com/OPENi-ict/api-framework.git
Merge branch 'master' of https://github.com/OPENi-ict/api-framework.git
#add dropbox
#get_a_photo --> dropbox
#delete_a_photo --> dropbox