Merge pull request #6164 from LaurentGoderre/pull-6163

Documentation: Added server configuration documentation
Date picker: Prevented closing of datepicker from closing a parent lightbox
Merge pull request #6170 from pjackson28/fixdatepickerclose

Date picker: Prevented closing of datepicker from closing a parent lightbox
Fix frequent and intermintent build errors during npm install
See https://github.com/npm/npm/issues/6238 for more info
Merge pull request #6177 from LaurentGoderre/fix-npm-install

Fix frequent and intermintent build errors during npm install
Converted the post build scripts to grunt/node
Fixes #6135