Made slots names clearer
Fixed clean not working after task rename.
Make code more readable in oneprocess.cpp
Merge pull request #12 from mirror3000/master

Fixed clean not working after rename and slot rename warnings
Added else clause for slot clean
New test for diagram window
Added widgets in IDE.pro, removed redundant checking for task rename folders
Merge github.com:veaceslav/WHC-IDE
Removed inconsistency with output files after task rename
Added basic checking for  diagram