fixed import paths to non-relative
changed files to port to Python3
interpreter and file-encoding into head off app.py
cPickle is pickle in the Py3 lib
Merge remote-tracking branch 'upstream/master' into py3port

Conflicts:
	qtodotxt/lib/settings.py
	qtodotxt/lib/todolib.py
	qtodotxt/ui/controllers/main_controller.py
	qtodotxt/ui/controllers/tasks_list_controller.py
	qtodotxt/ui/views/tasks_view.py
changed settings-disk-format to json
removed debug print-statements
adjusted Python version to 3.4
corrected to available environment at travis-ci
rewrote settings-tests as unittests, also added - meanwhile skipped - tests for intended API-changes on Task()
deactivated a test that doesn't succeed reliably
changed PySide-installation at travis to apt-method
should speed up builds and may solve failing tests
changed PySide-installation to a verbose apt-method
Merge branch 'py3port' of https://github.com/funkyfuture/QTodoTxt into py3port

Conflicts:
	.travis.yml
toggleglobalsitepackages
added a debugging info to .travis.yaml
last try today to get PySide-installation with apt done
removed failing build with Python 3.3
Remove codecs module
Repair filter text