Running puremvc-gen commands in a Windows directory that had
spaces somewhere in the path
e.g. C:\Documents and Settings\
was causing a failure. Wrapped the directory parameters in
quotes in order for the entire directory to be properly passed.
Command line parsing in place and complete for initial version.
Will look next into reading command name and constant as arguments instead of options.
Script determines whether ant is found on the path, and complains if it is not.
TODO: Fix log messages to be read in appropriately
