Moved post specific functions ti WPSimileTimelinePost.class

git-svn-id: https://plugins.svn.wordpress.org/wp-simile-timeline/trunk@994135 b8457f37-d9ea-0310-8a92-e5e31aec5664
Implemented post specific functions from other classes

git-svn-id: https://plugins.svn.wordpress.org/wp-simile-timeline/trunk@994136 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated version and calls to post event date functions

git-svn-id: https://plugins.svn.wordpress.org/wp-simile-timeline/trunk@994137 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated version and calls to post event date functions

git-svn-id: https://plugins.svn.wordpress.org/wp-simile-timeline/trunk@994138 b8457f37-d9ea-0310-8a92-e5e31aec5664