kaltura 5.x-1.3

#352688: Use drupal_to_js() by Kiam@avpnet.org - JSON replaced with serialize() when building URL for CW
#352681: Use db_rewrite_sql() by Kiam@avpnet.org - added db_rewrite_sql() where needed
#352674: Direct call to database engine functions by Kiam@avpnet.org - mysql_escape_string() replaced with db_escape_string()
#352637: t() is not necessary for '#title', and '#description' by Kiam@avpnet.org - removed t() from #title and #description in hook_menu()
#352665: Access to a not initialized variable by Kiam@avpnet.org - invoke functions changed and now using module_invoke_all()
#352898: Correct the menu callbacks declaration by Kiam@avpnet.org - fixed menu access callbacks
#352670: Function names must be prefixed by the module name by Kiam@avpnet.org - function names prefixed with kaltura_
#352652: Wrong use of func_get_args() by Kiam@avpnet.org - function kaltura_preview_player() removed since never used
#352961: Correct the use of the $Id$ tag by Kiam@avpnet.org - fixed id CVS tag in info files
#352965: Don't split a string that is passed to t() by Kiam@avpnet.org - splitted t() calls joined to one t() call
#352952: Wrong description appear in the modules list by Kiam@avpnet.org - added module description
#353171: Code tries to open a not existing file by mayank.grd - new logger creates the file before trying to open for append

hook_access() fixed to Drupal 5 API ($account variable removed)

minor coding stardard changes