Takes advantage of a new config in the latest version of flot. Also, color contrast adjustment.

Publish embedOpenUrlLinks() method in VuFind.openurl so that it can be called from other scripts.

- In Dutch you can translate 'your' to 'je' or 'jouw'. The last one is more correct, so made the necessary changes.

The methodology has transitioned to a bookmarklet, found here: http://github.com/twbs/bootlint#in-the-browser.

- it is possible for there to be more than one request group for an item level hold.

- Added missing author_sort values to XSLT indexing.
- Added DC:contributor support to VuDL indexing.

- Windows script was broken due to vufind.bat references
- SOLR_HOME variable was used inconsistently with solr.sh; now both scripts point the variable to the same place
- Resolves VUFIND-1171

Thank you, Andre!

- Missing declaration and mocking non-existent method were causing Travis failures under PHP 7.

- Missing declaration and mocking non-existent method were causing Travis failures under PHP 7.

- Previously, spaces were collapsed in the HTML rendering of the MARC record, which could obscure the meaning of fixed-position fields like the LEADER, 006, 007 and 008.
- This commit adds new CSS rules and classes to allow greater control over display of MARC fields.
- Resolves VUFIND-1170.