Removed unused variables and outdated comments
Simplify call to getValue when called with 2 parameters

If func_num_args() is 2 then we can avoid call_user_func_array
and call $av->getValue() directly (that's faster)
make area name translatable
Fix outdated cache after saving tracking codes
class added to login form

it's a bit tricky to style the login form since we don't have a
class. This PR adds a class, no sure about the official name
conventions here but it makes styling much easier.
fix mixin call

the order of the parameters is wrong
https://github.com/concrete5/concrete5/blob/master/web/concrete/css/ccm_app/twitter_bootstrap/mixins.less#L139
class for "forgot password" form
Let's deprecate BLOCK_NOT_AVAILABLE_TEXT

This define contains a localized text to be shown when a block is no
longer available.
Let's deprecate it since:
1. after calling Localization::changeLocale() this define contains a text
in the wrong language.
2. there's no reason to have manage this text represented with a define
whereas all the other messages are represented directly
Fix comments and user messages
Localize dates in job list
Localize dates in backup list
Add phpdoc to signal return type of Loader::db

Adding the return type allows auto-completion systems
to automatically suggest methods and properties.
Fixed incorrect day name in finnish translation
Unify jQuery ready syntaxes in i18n translations
use youtube iframe by default

http://www.concrete5.org/community/forums/usage/youtube-embed/
Fixed auto-increment install bug
Merge pull request #1360 from Remo/patch-53

class added to login form
Merge pull request #1358 from ojalehto/fix/tracking-codes/fix-outdated-cache-after-saving-tracking-codes

Fix outdated cache after saving tracking codes
Merge pull request #1342 from mlocati/patch-4

Simplify call to AttributeValue::getValue when UserInfo::getAttribute() is called with 2 parameters
Merge pull request #1329 from ojalehto/refactor/libraries/view/remove-unused-variables

Remove unused variables and outdated comments