Fix crash when unplug the mouse with pointer in the window.

We should not only call OnSetCapabilities after we create input
but also call OnSetCapabilities before we destroy them.

BUG=250
Merge pull request #252 from qjia7/master

Add myself to the AUTHORS file
Merge pull request #251 from CooderIan/fix_pointer_crash

Fix crash when unplug the mouse with pointer in the window.
Update README.md.

Add the following information :
- distro tools and development packages needed ;
- distro 32-bit compatibility package needed (for 64-bit) ;
- how to run "gyp_chromium" to update build files after applying patches ;
- basic build step troubleshooting.

Signed-off-by: Manuel Bachmann <manuel.bachmann@open.eurogiciel.org>
Merge pull request #255 from Tarnyko/master

Update README.md.
Add myself to the AUTHORS file.
Merge pull request #256 from CooderIan/add_author

Add myself to the AUTHORS file.
Revert "Temporarily remove ozone dependency for gl"

This reverts commit bef3afd3317e20ad746226e1fee241796fa850f0.
Remove dependency on ui/gl/gl.gyp

BUG=240

ozone-wayland shoudn't depend on ui/gl/gl.gyp. The old method is just a
workaround. This CL will solve the dependency issue and compile error.