Toytoolkit interactive tests

[Marek Chalupa]

Hi,

This series of patches adds possibility to create a test client that
uses toytoolkit and to easily interact with it.

If accepted, this solves the bug:
https://bugs.freedesktop.org/show_bug.cgi?id=83990

 Makefile.am                       |  38 +-
 clients/window.c                  | 137 ++++--
 clients/window.h                  |  17 +
 protocol/wayland-test.xml         |  11 +
 tests/event-test.c                |   5 +-
 tests/interactive-test.c          | 135 ++++++
 tests/keyboard-test.c             |   6 +-
 tests/test-suite-test.c           |  92 ++++
 tests/text-test.c                 |   2 +-
 tests/weston-test-client-helper.c | 648 +++++++++++++++++++++++++---
 tests/weston-test-client-helper.h |  52 ++-
 tests/weston-test-runner.h        |   2 +
 tests/weston-test.c               |  92 ++--
 13 files changed, 1045 insertions(+), 192 deletions(-)