Added option to download submission with tests and nbproject folder
so that its easier for TA's to debug students code / try it on their
machines.
Cleaned up indentation and minor refactoring
And refactored full zip to its own controller for nicer paths
Extracted copying tmcrun and chmoding it to superclass method
Added changelog for all changes which are affecting the user experience
and visible or noticable by users and maintainers.
Removed unnecessary tests
Merge pull request #156 from jamox/zippi

Added option to download submission with tests and nbproject folder