Resolves VUFIND-880.

Resolves VUFIND-866; thanks to Tom Misilo for much of the code.

Minor improvements for release 2.1 (mostly search system related)

Resolves VUFIND-873; thanks to David Lacy for reporting the problem.

Resolves VUFIND-815.

Thanks to Brad Busenius.

Mark test skipped if short_open_tag is not enabled. The partial uses
short open tags. This directive is PHP_INI_PERDIR, i.e. can only be
changed via php.ini or a per-directory equivalent. The testCitations()
will fail if the test is run on a system with short_open_tag disabled
in the system-wide php ini-file.

* ../Module.php (getServiceConfig, setup): Removed. Service is an
invokable.

* VuFind/Bootstrapper.php (Bootstrapper): Use VuFindSearch event
  namespace.

* VuFindSearch/Service.php ($logger, setLogger, log): Remove unused
logger dependency.
* ../Module.php (setup): Dto.

* VuFindSearch/Service.php (getEventManager): Simplify lazy-loading
new event manager.

* VuFindSearch/Service.php (setEventManager): Add `VuFindSearch' event
namespace, following common zf2 pattern.

* VuFindSearch/Service.php (EVENT_PRE, EVENT_POST, EVENT_ERROR,
EVENT_RESOLVE): Define constants for event identifiers.
(triggerPre, triggerPost, triggerError, resolve): Use event
identifiers.

Thanks to Chris Hallberg for identifying the problem.

- Added support for char fields
- Started leveraging framework for escaping

Resolves VUFIND-868. Thanks to Michael Wiesen for the fix.

Resolves issues where files from vendor are not being committed to repo

Solution from: http://getcomposer.org/doc/faqs/should-i-commit-the-dependencies-in-my-vendor-directory.md

Option #4