Setup a shared JSHint config file

Moved JSHint config into the standard .jshintrc file, so that it can be shared with the command line version as well as version that run within IDEs

Restored the "required_times" functionality

Bringing the rest of spencers changes in

Zerofill tweaks

updated the getFlotPairs() function to only check before and after a value, adding only enough zeros to maintain line graphs.

Adding grunt step to CONTRIBUTING.md

Fixing grunt build and 0 height bars

Creates zero-filled data for the histogram.

Conflicts:
	js/services.js

Added a time series service, which provides a ZeroFilled class, setup the histogram to use it so that zero measurements will be displayed

Improved error handling via alertSrv service

Add panel options, clean up fields list

Fix for count positioning in firefox

added charts to micropanel in table

More paging improvements, moved spy settings to general

New panel tabs, upgraded momentjs, added _mapping to proxy samples

Fixed bug in sorting