[EFL][CMake] Integrate API unit tests with CTest

[EFL][CMake] Integrate API unit tests with CTest
https://bugs.webkit.org/show_bug.cgi?id=87251

Patch by Thiago Marcos P. Santos <thiago.santos@intel.com> on 2012-07-02
Reviewed by Daniel Bates.

.:

Enable CTest on the root CMakeLists.txt as it is expected
to be here. This will create a new build target ("make test")
to run all the API unit tests.

* CMakeLists.txt:

Source/WebKit:

Add every test to the test runner build target.

* PlatformEfl.cmake:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@121702 268f45cc-cd09-0410-ab3c-d52691b4dbfc