don't find_package in tests

- not necessary there because it relatively includes qapt and uses the
  internal qapt target
- also move cmake_automoc activation up to main cmakelists
- revise automoc logic to not use automoc4
bump version to 2.1.70 (2.2 alpha1)
Attempting to fix a problem in building of tests.

Changed the include path on tests/CMakeLists.txt so that (hopefully)
tests will build for others.
fix tests build by not using camel case include

camels are not available inside the build
Changes to fix a bug found in error handling and a test.

Test now debugs a whole list instance, as well as verifies that the
entry actually moves in.

Added toString() function to the SourcesList class so we can inspect
it better.

Loading files now prints info whenever there's an error.