first 3 turkish translation at the root
creation of TR folder
jsonView throws template error

data output is not working without viewClass in controller.
turkish installation file.
removed non-translated files
update format
review session and follow #2149
Remove possibly confusing text.

Refs #2151
typos and missing language declarations
Merge remote-tracking branch 'upstream/3.0' into 3.0
Merge pull request #2076 from mtkocak/3.0

3.0: initial turkish translation
Merge pull request #2154 from cakephp/fr-session

[fr] session review