Merge pull request #1 from vitmalina/master

Update from original
Update w2lib.php

There is a small bug at line 60. When defining a list of values in "where clause" round brackets should be used instead of square ones.
datetime field

datetime field (with "now" button)
Merge pull request #758 from knypek/patch-1

Update w2lib.php
Fixed issue #755
Fixed issue #761
Merge pull request #765 from mpf82/datetime-field

Datetime field
Small notes
Merge branch 'master' of https://github.com/vitmalina/w2ui

Conflicts:
	src/w2grid.js