More asset cleanup

Rename smarty plugin to assets, rather than assetic.
Rename debugbar resources folder to assets.
Add copyFileAssets to Xoops\Core\Assets, used for fonts in debugbar
Merge Alain01's TinyMCE4
Fix whitescreen error
Clean up a few warnings and glitches

Correct several deprecated warnings
Quiet logger output in ajax calls
PSR-2 cleanup
Clarify message
Use large icons
Remove  debugging code
Add configuration file for asset management 

Options for
 - System wide asset references
 - Default filters
Merge remote-tracking branch 'upstream/master'
Merge pull request #118 from geekwright/master

Asset and Misc Cleanups
Remove pdo_ibm from potential driver list

Doctrine will no longer support this driver as of version 2.5.0 due to stability issues, and recommends using the ibm_db2 driver instead.
add tests
Merge remote-tracking branch 'upstream/master'
add tests
Apply patch from Alain91  issue #119
Merge branch 'master' of https://github.com/geekwright/XoopsCore
Merge pull request #120 from geekwright/master

A couple of patches
Apply Alain91's patch, issue #80

Also PSR-2 cleanups. And reverted AND and OR to && and II respectively, as the precedence can end up causing problems.
Move xoopssecurity to Xoops namespace
Some visual cleanups