Merged from trunk: composer updates (as i wasn't aware 14.x had been created due to mailing list outage)
* Run "sh setup.sh" to update composer after svn up.

[bp/r54081][SVN] Ignore new (composer) log files [from revision 54080]
Update phpcas (1.3.2 to 1.3.3 - not tested)
[bp/r54082] Update zendframework1 (1.12.3 to 1.12.11 - lightly tested)
[bp/r54083] Update symfony/config (2.4.3 to 2.6.3 - lightly tested with a local tiki.ini file)
Also grouped the symphony requirements together.
[bp/r54084] Update symfony/dependency-injection (2.4.3 to 2.6.4 - my tiki still works so think it's ok)
Also updated symfony/config (2.6.3 to 2.6.4 - oops)
[bp/r54087] Update jquery/plugins/chosen (1.0.0 to 1.3.0 - very lightly tested)
[bp/r54088] Update jquery/plugins/jquery-json (2.4 to 2.5.1 plus extra cleaning - lightly tested)
Thanks Jyhem for the composer.tiki.org help!