Update configuration.md
Update configuration.md
update php version requirements.
Add resource controllers to routing docs

Added a link to the controllers page on the routing page since resource
controllers are added by Route::resource in the routes config file, and
some people may look there for it.
Merge pull request #82 from eshell/master

Dont use 'testing' for environment name unless unit testing.
Added missing semicolon
Merge pull request #84 from joakimkejser/master

Missing semicolon
Added HTTPException documentation to responses documentation.
Update the Example Database Seed File.
Merge pull request #87 from ROMOPAT/patch-1

Update the Example Database Seed File.
Merge pull request #83 from wizardfrag/master

Add a link to resource controllers docs in routing docs
Adding url prefix.
Adding some clarity to Event::unsubscribe().
Moved HTTPException docs to errors.
Merge pull request #86 from torm3nt/master

Added HTTPException documentation to Responses section
fix bug in templating docs.
Correct quoat and code block for a note into normal quoat
Correct format for latest added sentence

Signed-off-by: Hirohisa Kawase <hirokws@gmail.com>
All files started with 1st level header, but only 4 files started with 2nd.

Signed-off-by: Hirohisa Kawase <hirokws@gmail.com>
Merge pull request #90 from HiroKws/correct/header_level

Corrct first header to 1st level