Merge pull request #16 from auchytil/master

New description and a PackageBuilder class (fix #2)
added PluginEngine.load_plugins
moved move_file function to utils
(fix #7)(fix #5) GUI works, Requires and Scriplets order changed, some fields of Import' page validates.

GUI works and some other staff

Test folder removed

Some text changes

Final text changed

files names changed

Unneecessary files deleted

final changes before first pull request

Button on BuildPage now works fine

Space on end of file removed

Imports fixed
Merge pull request #18 from boyks/master

GUI and first' page's some fields validation.
added test project
implemented find_patch plugin (fix #22) + changed project structure
package_builder.py: fixed function calls