Merge branch 'release/1.31.0'
do cloud support
update postgis installation
padrino and sinatra docs
curly bracket fix
underscore fix
Merge branch 'feature/padrino_sinatra' of http://github.com/cloud66/help into develop
Merge branch 'master' of http://github.com/cloud66/help into develop
MongoDb replica set documentation
Merge branch 'develop' of github.com:cloud66/help into develop
link fix
introduced a num class to improve readability of tabular data
Merge branch 'master' of github.com:cloud66/help into feature/api