Updated to v1.6.0

* Updated Notice Message, added to add properties page
* Removed support for the search property by MLS in admin, caused too many bugs
* Property & Neighborhood Gallery now doesn't display if NextGen-Gallery deactivated, defaults to display WordPress Gallery if it exists
* Added excerpt, revisions, publicize (jetpack), markdown (jetpack), page order support to all custom post types
* Added a documentation page to list possible functions
* Removed legacy pagination code
* Removed agent sort feature

git-svn-id: https://plugins.svn.wordpress.org/real-estate-by-rewebapps/trunk@883720 b8457f37-d9ea-0310-8a92-e5e31aec5664