Add raw filter

See: https://groups.google.com/forum/?fromgroups#!topic/joomla-dev-cms/U_-u9wECKx8
Fix missing space
Fix JPATH_BASE use
Merge pull request #206 from mbabker/JPATH

Fix JPATH_BASE use
Sync to Platform 12.3
Merge pull request #185 from wilsonge/patch-1

Add raw filter
Some tests
Merge pull request #208 from wilsonge/rawtests

Some tests for the raw filter
Merge pull request #207 from piotr-cz/sync_JImage

Image package synced to Platform 12.3
Sync coding-standards repo
Merge pull request #209 from mbabker/cs-sync

Sync coding-standards repo
Image\Filter\Backgroundfill
JImageFilterBackgroundfillTest
add SCALE_FIT
updating .gitignore
Ignore /vendor folder except phputf/ and psr/cache/
PHPCS cleanup

Should all errors except in the DI package.

P.S. Whoever wrote the unit tests clearly didn't try that hard to meet the
standards :P
Fix a couple of DI things
Merge pull request #213 from wilsonge/master

PHPCS cleanup
Cleanup the magic __get method on the Twitter class.