set application timezone early in application constructor, set default of UTC if no timezone is configured at all (not in app config nor in php.ini)
Merge commit '1ccce' into fix-209-default-timezone
undo commit 1ccce67f345ca33441fe22602e11cc62a31db371
Initial Gettext support.
better have timezone fix in application

app is resposible for setting time zone, so it should also do the
fixing.
+ documentation about the behavior.
issue #210 and #209
mod: don't use ArrayHelper to avoid loading another class during every request
remove fix for unset timezone from bootstrap app
fix: remove pointless unset
Fixes issue #50: implemented pager widgets.
Merge branch 'master' of https://github.com/yiisoft/yii2
Merge pull request #221 from resurtm/get-text-i18n

[WIP] Gettext support
Merge pull request #223 from cebe/timezone-fix

better have timezone fix in application
Merge pull request #210 from bwoester/fix-209-default-timezone

Fix issue #209 default timezone
Fixed duplicated merge.
CS fixes.
Merge branch 'master' of github.com:yiisoft/yii2

Conflicts:
	apps/bootstrap/index.php
	yii/yiic.php
Change magic property to normal method. (Thanks to @maxlapko.)
CS fixes.
CS fixes.
Travis-CI build status.