Add a maven plugin for formatting according to Eclipse settings
Running formatter:format will format all files in a submodule using an
embedded Eclipse compiler (based on Neon SR1)
according to the regular formatting settings file.
Move and rename server classes which go into the compatibility package
* Use com.vaadin.v7
* Use the same class name as in Vaadin 7
* Use a "vaadin7-" declarative prefix for Vaadin 7 components
Change-Id: I19a27f3835b18980b91a4f8f9464b2adde1a5fd5
Update JS renderer to work with latest grid branch (#15485)
* Cope with createRenderer not being run deferred
* Update test to not assume there's a selection column
Change-Id: Ic6f053d2ef76d7227eb9ca00b960629e34ae380c