Getting windows to build.

Updating build instructions to use git.
Updating to wxWidgets 3.0.0
Fixing build issues.
Updating to visual studio 2013.
Getting windows to build.

Updating build instructions to use git.
Updating to wxWidgets 3.0.0
Fixing build issues.
Updating to visual studio 2013.
Merge pull request #49 from calband/update_windows_to_latest

Update windows to latest
There was a bug where in the Animation Frame, when using a Windows
machine, you couldn't transition between stunt sheets using the left/right
arrow keys. That's fixed now.
Made some style revisions, and removed a reference to an unused file.
Really quick fix to make sure that continuity editor doesn't ask you to
save changes when you don't make changes.
Merge pull request #51 from calband/AnimationKeyFix-Windows

Fixed issue #16 and #15
Fix for issue #7
Improved Point Picker.  Now you can select by items and symbols.
Added a keyboard shortcut for reanimating the show in the viewer. Fixed for #56
partial fix for #43
Merge pull request #57 from calband/reanimate_keyboard_shortcut

Added a keyboard shortcut for reanimating the show in the viewer. Fixed ...
Some work toward #53.
Removing the rest of the Boost requirements.  Implementing compare with mismatch.
Merge pull request #55 from calband/make_point_picker_better

Fix for issue #7
Merge branch 'remove_boost' of https://github.com/calband/calchart into remove_boost
add algorithm
Merge pull request #59 from calband/remove_boost

Remove boost