Fixed typo.
Removed spaces.
Initial version of the HowTo for the MiniApp command line tool.
Added description of command line tool main function.
Described argument specification, parsing, and access to values.
Described retrieval of XML argument description.
Added XML output and screenshot of generated UI to MiniApp command line tool HowTo.
Moved HowTo to "First steps" section.
Replaced ref by subpage.
Some minor fixes
Described command line tool integration in MITK Workbench.
Merge branch 'bug-16800-MiniAppDocu2'