Minor tweaks of help label text on EditIndex dialog
If file save was unsuccessful, Robomongo doesn't show any message. #212
Merge branch 'master' of https://github.com/topilski/robomongo
When saving scripts, file name extension should be ".js" if not specified otherwise. #185
0 (zero) is a valid value for "Expire after" field in Index Editor. #217
Text Weight should be BSONObj, not just string. #216
"Expire after" in Index Editor is an optional field. #218
Fixed Mac Os build problem
Memory not released, when closing shell tab. #213
Sparse checkbox incorrect behavior. #215
Merge pull request #219 from topilski/master

Stable version, little bugs fixed