Add keys, values, pairs, invert, pick, omit, each, and other
underscore methods to models
Merge pull request #2040 from akre54/add-underscore-methods-to-model

Add underscore methods to models
Update test-zepto.html to match the newer test html for jquery.

Changes:
* use a newer zepto version (fixes some failing tests)
* remove jslitmus

Still some failing tests but brings things a lot closer to working.
Revert "Add keys, values, pairs, invert, pick, omit, each, and other"

This reverts commit faa776a67cdaa674fd8da596f62e8028f371e2c9.
added trigger applyment
route parameters provided as array argument
changed trigger call
Add a test for the "route" event.
Fix #2073 - Remove cid description.
Merge pull request #2081 from af/zepto-tests

Update test-zepto.html to match the newer test html for jquery.
renaming zepto
Remove useless code in `add`, tidy up
updating CONTRIBUTING to reflect keeping index.html up to date with master
Removing View#make from docs
Updating Model#validate docs
Fix #2094 - Update TODO example with new success callback signature
Fix #2099 - sortedIndex use model attributes for string iterator
Semicolon.
removed unused variable 'model' from 'save' function
Merge pull request #2107 from adriaanlabusc/remove_var

removed unused variable 'model' from 'save' function