refs #370, #372, #281
remove mysql
Merge branch 'dev' of github.com:projestimate/projestimate into dev
project estimation
Merge branch 'dev' of github.com:projestimate/projestimate into dev
Merge branch 'dev' of github.com:projestimate/projestimate into dev
Merge branch 'dev' of github.com:projestimate/projestimate into dev
Merge branch 'dev' of github.com:projestimate/projestimate into dev