added new auto complete to the app editor

Ignore-this: fca86790fe7d200267c44cca75de57ba

darcs-hash:20140404185753-c21fe-6b5f8ea26617f4789f8f18c954c53c0fa5781ecd
removed log message and change shortcut for Conversation menu

Ignore-this: bfbf78ec7718b929646d2313b48363f5

darcs-hash:20140404185847-c21fe-ccd978a313426c3ff08b0318cd51eb2a21244074
fixed crash in app editor after closing conversation

Ignore-this: 4685fb423c7275acedb77816112de99b

darcs-hash:20140404224409-c21fe-fe583c5e4efa16b68081c929c765ef959d9de900
small cleanup

Ignore-this: fd7fa91270df5f866f8f74696ffbbffe

darcs-hash:20140404224555-c21fe-16d342ccd6329802f5619cc2e214b5105687afcf
fixed case not handled in to_dict

Ignore-this: b4627c525c5188951ba28085457739f6

darcs-hash:20140404230151-c21fe-5104859220048cacad4258924effbb9886dcb60c