White space fixes

Merge branch 'master' of gitorious.org:birdfont/birdfont

mac issues, including a more permissive license for libbirdfont

separate files for zoom view and path list

rename supplement namespace to birdfont

Test case

Testcase results:
Overview                                Passed
Font data reader                        Passed
Argument list                           Passed
Glyph ranges                            Passed
Glyph table                             Passed
Active edit point                       Passed
Unicode hex values                      Passed
Reverse path                            Passed
Reverse random paths                    Passed
Coordinates                             Passed
Pen tool                                Passed
Delete edit points                      Passed
Convert to quadratic path               Passed
Notdef                                  Passed
Merge                                   Passed
Over path                               Passed
Preview                                 Passed
Export                                  Passed
Background coordinates                  Passed
Spin button                             Passed
Inkscape import                         Passed

Total 21 test cases executed, 21 passed and 0 failed.

fix compiler warnings

new directory structure