Updated Search

Updated the global search to have caching and work with calculated
columns.
Updated the Readme to be better formatted.
Temp fix for $timeout memory leak.
Bugfixes

Fixed a bug where children could not be added/created.
Fixed a bug where spokes couldn't be created.
Fixed a memory leak in the search functions.
Added a reset to the spokeTypesCache to the onApplicationStart.cfm.
Fixed a bug with null dates.
Bugfixes

Fix where the search polled constantly once started.
Fix where description was only being searched if descColumn had been
set.
Fix Search Results

Search results were being limited before being cached which was leading
to bad results.