Added fix_permissions plugin
a little refactoring
did even more refactoring with the suggestions of sampsyo. added documentation page
created a function to convert permissions to oct
fixed plugin toc in docs
added not working test for debugging
plugin now listens for item_copied instead of after_write. now the test works
Merge pull request #1098 from xsteadfastx/master

Added fix_permissions plugin
Docs/changelog for permissions (#1098)