CSS/HTML consistency, image scaling and word breaking

Implements image scaling, word breaking and fixes several CSS/HTML
inconsistencies
Implements #905 Add class to smilies
Implements #857 Jump to Page in pagination
Implements #430 Moderation Notifications
Intruducing https://github.com/mybb/mybb/issues/197

Warnings when users try to change settings which often cause problems.
Also a JS password comparison.
Merge pull request #963 from Destroy666x/instsett

Introducing https://github.com/mybb/mybb/issues/197
Feature #439 & #430
Feature #439 Moderate Groups
Please work...

Thanks.
Moved img SCEditor scaling to every theme...

...
2 themes more...

And 2 unfixed template bumps which I mentioned in other issues...
Merge pull request #965 from Destroy666x/CSS

Another PR for #816
Fixes #967 Username Availability and CAPTCHA Validation Problems

#967
Merge pull request #968 from PirataNervo/featurefix-967

Fixes #967 Username Availability and CAPTCHA Validation Problems
Fixes #967 missing correction
Merge branch 'feature' of https://github.com/mybb/mybb into feature-860-check-sfs-on-register

Conflicts:
	inc/languages/english/newreply.lang.php
	inc/languages/english/newthread.lang.php