Folder stucture updated and new collections can be created from the script

Changelog:
    Folder Structure:
        New level of storage: data_storage/YYYY-MM-DD-HH-MM-SS/
        Allows for spreation of data in easy to manage way
    collectdata:
	New variable: ROOTFOLDER: the date folder for data
        New Function: Start new collection:
            Allows for multiple tests without mixing data
            ROOTFOLDER is updated for each test
            Programs are stopped and need to be restarted for new test
        Help updated with new function
        refactored some cleanup function and moved the dir creation into function