Enabled strict mode, and fixed issues raised.
Merge pull request #352 from okfn/strict-mode

Enable strict mode - thx to @djw.
Enable strict mode on the pager widget, too.
Updated code and tests to stop recline clobbering view.el. Issue #350.
Updated the README to mention this breaking change.
Merge pull request #353 from okfn/issue-350

Stop clobbering view.el
Bumped underscore to 1.4.4
Bumped backbone to 1.0.0. Issue #351.
Minor fix to slickgrid test
Fixes to the multiview tests
Use listenTo() rather than bind() in the views so that the events get unbound upon removal.
Where necessary, override remove() to also remove subviews.
Clean up slickgrid events on removal
Bumped Moment to 2.0.0 (required by next commit)
Date parsing and toISOString() can't be assumed to be present. Use Moment instead. Issue #323.
Bumped qunit and sinon. Added qunit-assert-html.
Fixed date-parsing logic so that it works on oldIE. Issue #323.
Use htmlEqual() so that we're more robust against cross-browser serialisation issues. Issue #323.
Fixed invalid HTML in the MapMenu template. Issue #323.
GridRow's constructor expected a FieldList object, but it was sometimes getting a plain array. Issue #323.