Bug 963331 - [B2G][email]Recieved emails can be moved to 'Local Drafts' folder.
added test for isValidMoveTarget
performace boost in mailapi.js
improved testing
fixed issue where only one folder was tested
Merge pull request #321 from awiss/localdrafts

Bug 963331 - [B2G][email]Recieved emails can be moved to 'Local Drafts' folder. r=asuth