Changing format of Changelog.
Merging dev -> dev-changelog
Remake delete_releases.php, was not working #1227
Fix for multi groups, delete_releases.php
Use colorcli and fix typos in delete_releases
Fix issue where trailing space causes empty "like" delete_releases.php
Check also for multiple spaces in between words causing empty "like" delete_releases.php
Check for duplicate entries also. ie: php delete_releases.php searchname=like=" test   a a  ";
Simplify NZB path methods.
Update delete_releases.php examples/usage.
Move delete_releases contents into a class so it can eventually be used on the browser, add an option to ignore the user check.
Add GUI version of delere releases in admin section of site.
Shorten code a bit.
Merge branch 'dev' into dev-changelog

Conflicts:
	Changelog
Modifying Changelog layout.
Create NZBExport class, with option of exporting to Gzip (faster/takes less space, nzb-import accepts gzip now too). @todo: Change nzb-export on site to use the class.
Fix error in util.php where method was used as constant.
Add script to check time.
Remove check if mail fails on sendinvite, a link is created in the browser anyways.
Change monitor.php distinct preid count for speed improvement