upgraded backbone to 1.1.2
Upgrade spec copy of Backbone to 1.1.2
Add 'Brainstem.Error' class
Update 'Brainstem.Utils.throwError' to use new error class
Add 'wrapError' util taken from internal Backbone method
Add 'Brainstem.Collection#fetch' that currently just encapsulates loader behavior
Integration specs for brainstem collection's fetch
Use collection's pluck method
Implement Brainstem.Model#fetch
Add 'getPage' pagination method to Brainstem.Collection
Switch back to piping internalObject models into Brainstem.Collection#fetch promise chain
Merge branch 'brainstem-fetch' into brainstem_collection_paginatation
Add specs for a few private utility pagination methods on Brainstem.Collection
Default reset to true in getPage
Add next/previous page pagination and getPageIndex to collection
Add hasNextPage and hasPreviousPage to collection
Remove 'reset' default from Brainstem.Collection#getPage
Support 'add' option in Brainstem.Collection#fetch
Modify legacy Brainstem.Collection#loadNextPage to use new pagination functionality
Add check for 'count' in _canPaginate