Add ability to extend Form
Support the concept of form ID
Clear/hide field errors on blur

Which indicates permissions are not windowed by an object's department

Also, convert the user tickets template file to use ORM

This patch converts the central file and threading classes over to use the
ORM.

Detach conversation thread from ticket to make it more generic. Any object
can now have its own thread complete with entry type and attachments.

Lint test rulez!

Especially on Galera clusters, search indexing with MyISAM tables will cause
unstable clusters and loss of data. For standalone clusters using MySQL 5.6
or MariaDB 10.0, the database default table storage engine can be used,
since either support fulltext indexing.

This fixes hits when using the MySQL full text search backend

Furthermore, revamp the __cdata system to better support multiple selection
fields. Drop the `.._id` fields and use a coalesce of the ID value of the
entry value or the entry value itself. For JSON backed fields, strip some
JSON characters to result in a comma-separated list.

The search engine now uses MySQL FIND_IN_SET to analyze a search selection
in advanced searches. Also, interaction with the MySQL full text search
backend is fully supported.

Fix search backend to use the new statuses

Make table prefix consistent