JSON hierarchy caches.
JSON before XML and non-js JSON sourcing.
Stronger globals.
Removed JSTree formatting from json cache files.

Still needs to be cleaned up and generalized and documented.
Smarter, more flexible handling of modules in installer.
- Resolves VUFIND-1038
Added separate parameter for VuFind host during database install.
- Resolves VUFIND-1040.
Pass relevant parameters along to checkCapabilities().
- Also removed unnecessary compact() calls.
Added an id to advanced search 'add' links for testing and DOM clarity.
MARC Component part records ingestion

Import of MARC records of component parts (both monographic and serial)
Advanced search display edit, fixing bug found with the new JS testing!
Added tests for Advanced Search interface.
Adjusted username column size to match cat_username column.
Escaping summary in missing places.
VuDL fixes.

Zoomy resizing. Zoomy browser compatibility. Record loading fix.
Proper escaping of the array using array_map callables.
Added DOI to description tab.
Avoid notice by using string instead of constant.
Advanced search help fixes in Italian translation
Italian translation minor updates
Merge pull request #244 from marchitelli/adv_search_it

Advanced search help fixes in Italian translation