1.1.14 release candidate.
prepare for next release.
Updated the messages for the Greek language.
Merge pull request #2639 from lourdas/master

Updated messages for the Greek language.
[UK][Guide] updating docs
Merge pull request #2644 from yiiframework-com-ua/uk_docs

[UK][Guide] updating docs
Updated CJuiButton sample, to reflect correct parameters [ci skip]

Updated CJuiButton sample, to reflect correct parameters and normal usage [ci skip]
Merge pull request #2647 from luislobo/patch-4

Updated CJuiButton sample, to reflect correct parameters [ci skip]