Show error message when sending password request mail fails

It used to fail silently (client only displays error when a message is available).
typo

removed extra comma
Remove unecessary comment in karma.conf.js
Abstract nodemailer createTransport

Currently createTransport is unnecessarily called upon every time a password request is made.
Removed unneeded comas from gruntfile.
update to angular-bootstrap 0.12.0 + fix breaking changes

details on breaking changes:
https://github.com/angular-ui/bootstrap/blob/eec68d81f4f72363d37493c495b
892347bdb9e1b/CHANGELOG.md

Conflicts:
	bower.json
Merge pull request #269 from jeromegv/upstream

fix getToggleElement on dropdown by updating to angular-bootstrap 0.12.0 #250
Merge pull request #245 from ejsuncy/patch-1

typo
Merge pull request #266 from wesleyfsmith/master

Removed unneeded comas from gruntfile.
Merge pull request #259 from mindmelting/bug/fix_nodemailer_instance

Abstract nodemailer createTransport
Merge pull request #225 from uwolfer/password-request-mail-failure

Show error message when sending password request mail fails
Merge pull request #248 from amckinlay/patch-1

Remove unecessary comment in karma.conf.js
Update home.client.view.html