[HUBZERO][#4139][COM_WIKI] Fixed some issues when creating a new wiki page from the admin interface.
[HUBZERO][#4139][COM_WIKI] Spotted the same issue in other controllers and fixed them.
Revert "[PURDUENEXT][#553][COM_COURSES] add preview link for badge criteria to the backend section edit view"

This reverts commit 615d31252e8f11ba4976eb0c46728e51f4ea6199.
[COM_WIKI] Added apply button to edit form
[PLG_SUPPORT_CAPTCHA] Added params from J1.5 manifest to J2.5 manifest
[PLG_WIKI_PARSERDEFAULT] Fixed typo in language key
[PLG_WIKI_*] Fixed migration to update plugin names as well
[PLG_SUPPORT_*] Fixed migration to update plugin names as well
[PLG_GROUPS_COURSES] Added missing sys language file
[PLG_EDITORS_WIKIWYG] Minor change to title to be consistent with other editor plugin titles
[PLG_EDITORS_WIKITOOLBAR] Minor change to title to be consistent with other editor plugin titles
[PLG_CRON_PUBLICATIONS] Added missing sys language file
[PLG_USAGE_CHART] Remove plugin entry for nonexistent plugin
[COM_MEMBERS] Drop table that hasn't been used in years
[COM_SEARCH] Fixed typo in language key
[COM_FORUM] Handle cases where group may not exist (deleted?)
[COM_ANSWERS] Fixing broken query in economy helper due to field being renamed not too long ago
[COM_CRON] Added start and end timestamps so a cron job can have a time window of when it should be run.
[COM_WIKI] Fixed issue with treating empty string like an array
[COM_WIKI] Fixed issue where assuming var was always a string, which isn't true.