Refs #3697, Prettify ISP names
Merge branch 'master' into 3697_ISP_Names
Fixes #3833 adding check upstream. Thx for the report & patch, very nice bug to fix!
Move the "Providers" array to its own core/DataFiles/Providers.php
Additional check
Merge branch 'master' of https://github.com/piwik/piwik into 3697_ISP_Names
Simplify Piwik_Config handling.
Simplify Piwik_Config handling even more
Add new setting in admin UI to switch between stable and beta release channel.

Add new translation to document the setting.

fixes #3828
Add new setting in admin UI to switch between stable and beta release channel.

Add new translation to document the setting.

fixes #3828
Refs #3833 - Piwik_Period's toString method does not return the type of the Period and a "Array to String conversion" notice is triggered. So we use the getLabel accessor.
Merge branch 'master' of https://github.com/piwik/piwik
Another Piwik::log fix in PluginsManager. Not working in tracker mode.
refs #3530 fixing overlay status bar in ie7 and ie8
Some documentation correction.
Merge branch 'master' of github.com:piwik/piwik
Add search engines
Add search engines
update search engines
Updating search engines