Need a special branch to fix warnings from PHP7

There are plenty of these warning messages getting put out by vtiger when running on php7.

Warning: Declaration of ClassName::function() should be compatible with parentClassName::function()

Rather than simply turning off Warnings, and Notices for that matter, the right thing to do is to fix these problems before they become an Error...

@lord_alan Yes, this could speed up some things and fix some related php bugs like #387 (closed)

Status changed to closed

master now is able to make run on 7.x, please continue filing show stoppers if you hit (with recommended error_reporting) as separate issue.