Merge branch 'develop'
Merge branch 'master' of https://github.com/pophealth/quality-measure-engine
updated version number
Merge branch 'develop'
updated version for release
updated version
Merge branch 'master' of https://github.com/pophealth/quality-measure-engine
Merge branch 'develop'
updating version number
fixing test to work with mongo 2.4 by having it not drop system.js
Merge branch 'develop'
uping version number
uping version number
Merge branch 'develop'
Merge branch 'develop'

Conflicts:
	Gemfile.lock
	lib/qme/version.rb
	test/test_helper.rb
fix median calculation for odd size sets
merging fixed median aggregation function branch
Fixing issue where if a bundle_id was not passed in it was set to null in the query for a measure.  This caused some annoyance issues for applications that may have only a single bundle installed yet did not pass the bundle_id into the calculation creating an issue where the measures would not be found.  This fixes that issue by only applying bundle_id to the measure query if the
'bundle_id' key is in the passed in paramenters.  This will result in a potentially different problem for applications useing the library if they have multiple bundles installed with the same measures in that this will choose the first measure it finds.