Change .gitignore to ignore the bower_components directory
Change the comments in the OPL-update file to reflect where the library variable is stored.
Merge branch 'develop' into ww3-feature/reduced_credit

* develop:
  Change the comments in the OPL-update file to reflect where the library variable is stored.
  Change .gitignore to ignore the bower_components directory

Conflicts:
	.gitignore
Merge branch 'reduced_credit_date' of https://github.com/goehle/webwork2 into ww3-feature/reduced_credit
Initial work on reduced_credit in WW3
Initial work done to include Reduced Scoring in WW3
Fixed a bug in which the yes/no or 0/1 needed to be changed to "0"/"1"
Show/Hide Reduced Scoring info based on global setting
Added dynamic reduced credit scoring date to the Problem details
calendar fixes
Reduced Credit dates now appear on the calendar.
Added the ability to show/hide individual types of assignments.
Added Reduced Scoring to the Problem Set Detail View/ Customize to users subview.
Added reduced scoring to the customize users view of the Problem Set detail.
Validation of all dates in a ProblemSet and improved messaging on errors.
Merge branch 'ww3' of https://github.com/openwebwork/webwork2 into ww3-feature/reduced_credit

Conflicts:
	conf/defaults.config
	webwork3/public/js/models/ProblemSet.js
Removed a duplicated setting and improved the handling of a new reduced credit period.
Changed the documentation setting for the reduced_scoring_period.
If reduced_scoring is not set, the field in the Problem Set Manager is blank.  Also, changed to make sure the date picker is shown.
For setting dates, all dates via the date picker, adjust so that there is not a date error.