Added New Project Wizard
class NewProjectWizard added in termpeeperIO. Changed the way the save works,
with pickling now done in termpeeperIO. Moved new project action
to the project menu. Minor updates to roadmap for v0.2.

It is now possible to make projects, but processing of imagery and
project parameters are not implemented yet.

       modified:   debug/default_picker_save.tpp
       modified:   roadmap.md
       modified:   term-peeper/mainwindow.py
       modified:   term-peeper/termpeeperIO.py
       modified:   ui/main_window.ui
       new file:   ui/new_project_wizard_page_0.ui
       new file:   ui/new_project_wizard_page_1.ui