Merge pull request #41 from egeste/master

Extend base definition mixinOptions when inheritMixins is true
Update Contributing File
Adds some tests and fixes the sinon version
Merge pull request #42 from webspinner/master

Update Contributing File
Fix a bug that causes factory views not to resolve collections

 * Bring syntax/standards up to date with current best practices
   * Namely, override constructor in lieu of initialize
 * Add 'Backbone' `baseTags` to definition
 * Other syntactic change in line with new Factory paradigms