moved data file location handling to a separate module
moved most model handling functions to separate "plugins"
created a basic "core" handler for settings, widgets and events


git-svn-id: https://pycam.svn.sourceforge.net/svnroot/pycam/trunk@1061 bbaffbd6-741e-11dd-a85d-61de82d9cad9

disabled "namedtuple" for now (it was never in effect)


git-svn-id: https://pycam.svn.sourceforge.net/svnroot/pycam/trunk@975 bbaffbd6-741e-11dd-a85d-61de82d9cad9

fixed minor issues


git-svn-id: https://pycam.svn.sourceforge.net/svnroot/pycam/trunk@907 bbaffbd6-741e-11dd-a85d-61de82d9cad9

git-svn-id: https://pycam.svn.sourceforge.net/svnroot/pycam/trunk@756 bbaffbd6-741e-11dd-a85d-61de82d9cad9

 * only useful for debugging (toolpath generation slows down by a factor of 40)


git-svn-id: https://pycam.svn.sourceforge.net/svnroot/pycam/trunk@567 bbaffbd6-741e-11dd-a85d-61de82d9cad9

calculate all properties during instanciation (not on demand)


git-svn-id: https://pycam.svn.sourceforge.net/svnroot/pycam/trunk@561 bbaffbd6-741e-11dd-a85d-61de82d9cad9

git-svn-id: https://pycam.svn.sourceforge.net/svnroot/pycam/trunk@501 bbaffbd6-741e-11dd-a85d-61de82d9cad9

git-svn-id: https://pycam.svn.sourceforge.net/svnroot/pycam/trunk@499 bbaffbd6-741e-11dd-a85d-61de82d9cad9

 moved all source files to a separate "src" directory


git-svn-id: https://pycam.svn.sourceforge.net/svnroot/pycam/trunk@424 bbaffbd6-741e-11dd-a85d-61de82d9cad9