Merge pull request #1 from Ziemin/memoizer-gui

Inicjalizacja repozytorium. Dodanie .gitignore
zalazki modulu pluginowego
zalazki modulu pluginowego
poprawka w IDownloadPlugin.java
dodanie draftu pierwszego plugina
fix c# lokking interface implementation ;)
moved source files to main folder
changed .gitignore. moved files again
.gitignore updated
Implemented simple asynchronous event service
Changed pom and cleaned code a little bit
Added main function and defined it in pom.xml in order to make generated jar executable
Change project tree to maven convention, fixes in plugin classes
Global cleanup
Loading plugins from jar method
Recursive finding jars and isolating plugins from them
Comments, some asserts and returning functions
First full implementation of Demotywatory Download Plugin
Demotywatory Download Plugin implemented downloading from start page
merge with memoizer/plugins