README: added requirements and license
added LICENSE file
extended README
modified README
plugin find_patch: fixed wrong assigment to spec
connected GUI with base methods
Get file from import works
Filter for import directory added
GUI: fixed typos, removed depracated fields, reorder of items
pep8: fixed test_plugins.py file
implemented Command helper class (fix #33)
command: splits by lines single string command
command: does not add 'cd work_dir' to command lines
BuildArch and mandatory fields added(fix #36)(fix #38)
Implemented logging setup

Fixes #19
Fixed project building
logging: printing output also on screen
added logging to critical methods of components
(fix #37) + more pretty look for import page
Subpackages page UI works (moving files to sub-package)