Bug 895569 - Remove django-bootstrap-forms and cleanup

* Remove django-bootstrap-form package
* Implement what we needed from it in mozillians
* Move some label text to form definitions
* Mark labels on required fields automatically with 'required' class
* Use CSS to visually differentiate required fields where desired
* Get rid of Jinja macros in edit_profile.html
* Try to move decisions about markup from Python to the template
[Fix Bug 946373] add more detail to new relic deployment notifications
Merge pull request #738 from dpoirier/bug-895569-remove-bootstrap-form

Bug 895569 - Remove django-bootstrap-forms
Merge pull request #739 from Sancus/improvenewrelic

[Fix Bug 946373] add more detail to new relic deployment notifications
[Bug 946373] set needs to be used in newrelic ping for de-duplication
[Bug 948166] make basket_token editable in admin panel