Upgrade to CodeIgniter 2.2

git-svn-id: svn+ssh://svn.code.sf.net/p/opensourcepos/code/@100 c3eb156b-1dc0-44e1-88ae-e38439141b53
Added french as a language

git-svn-id: svn+ssh://svn.code.sf.net/p/opensourcepos/code/@101 c3eb156b-1dc0-44e1-88ae-e38439141b53
Add extra escape sequences for french

git-svn-id: svn+ssh://svn.code.sf.net/p/opensourcepos/code/@102 c3eb156b-1dc0-44e1-88ae-e38439141b53
Add thai language

git-svn-id: svn+ssh://svn.code.sf.net/p/opensourcepos/code/@103 c3eb156b-1dc0-44e1-88ae-e38439141b53
Merge branch 'master' into merge/padungsak

Conflicts:
	application/views/config.php