Updated language code for french
[fr] Follow e2019c00ff6070e112cee92543145253e897bbac in fr/core-libraries/internationalization-and-localization.rst

change fr code language
[fr] Follow #558 and add missing parts in fr/core-utility-libraries/email.rst
[fr] Follow up 4bad23f0a09d09c03cb2def125454b8e3e6bf0a1 in fr/plugins.rst

fix typo
Update simple-acl-controlled-application.rst
Merge pull request #561 from kwetto/patch-1

Update simple-acl-controlled-application.rst
Update copyright year.
Changed copyright year for epub_theme to 2013
Merge pull request #562 from Phally/patch-2

Update copyright year.
Merge pull request #563 from angelxmoreno/fix-copyright

Changed copyright year for epub_theme to 2013
Update installation docs.

Add information on how to install via PEAR and composer.
Grammar and cleanup.
Adding docs for Cache::groupConfigs()
[fr] Follow up 9e9b509ef03f6966493ea5510718d228344503f0

Update installation docs (PEAR and composer intallation)
Fixing solmization syllables

Not a big expert in music myself.
Just thought "ray" can't be correct.
See http://en.wikipedia.org/wiki/Solmization
I know I'm pendantic... and I'm not even German  ;-P
Merge pull request #564 from ravage84/patch-1

Fixing solmization syllables
Follow command syntax in example to create a new aco
Fixed typo in security component page

once instead of one
Merge pull request #566 from ravage84/patch-1

Fixed typo in security component page
Merge pull request #565 from jbrusich/patch-2

Follow command syntax in example to create a new aco