rework with syntax highlighting

Reworked the README to include syntax highlighting for sanity while reading, as well as a few posed changes for `uniformity`.
Merge pull request #27 from kafene/master

Don't let header fields clobber eachother
Merge pull request #26 from Xanza/patch-1

rework with syntax highlighting
Fixed variable name typo in template/layout example.

This is also a typo on the http://flightphp.com/learn page.
Merge pull request #29 from magnetikonline/patch-1

Fixed variable name typo in template/layout example.
Updated readme.
Merge remote-tracking branch 'origin/master'
Added route passing functionality.
Changed header sizes.
Fixed issue with url pattern matching.
Merge pull request #4 from mikecao/master

update