Update README.CentOS

Change README documentation to recommend disabling selinux
Update zoneminder.service.in
Update ConfigData.pm.in

Changing the help text for DIR_EVENTS, DIR_IMAGES, and DIR_SOUNDS to make it more obvious that one should not specify a folder outside the web root and that one should probably not ever change these values from their default.
Update functions.php

Add logic to detect the User Agent string from IE11 (and potentially newer).
Update functions.php

A more efficient check for IE >= 11 than the previous commit
Am remarking out some Debugs that would only be useful to someone debugging image code.  Of no use to end users and get called so much that must cause a performance problem, especially when debug logging is actually turned on
Merge branch 'master' of github.com:ZoneMinder/ZoneMinder
add libmime-tools-perl which provides MIME::Entity which is required for email sending
Merge branch 'master' into iconnor

Conflicts:
	distros/ubuntu1204/control
fixes WRT to db logging. I believe fixes issue #504
Todays snapshot
merge recent changes from master
Merge branch 'master' into iconnor

Conflicts:
	distros/ubuntu1204/changelog
	web/ajax/log.php
	web/ajax/status.php