Made the font size consistent in VimApp

Made the font size between the main editor and the margin control
consistent in VimApp.
Fixed up a small number of TODO items
Fix insert mode shifting right in virtual space.
Experimental fixes for edit mode.
Add three failing unit test for right shift in insert mode.
Fix insert mode shifting right in virtual space.
Fix shift right test: still fails.
Fix shifting with both real and virtual space: test passes.
Add three failing unit test for right shift in insert mode.
Fix shift right test: still fails.
Fix shifting with both real and virtual space: test passes.
Merge pull request #1221 from ricksladkey/fixes-ctrl-t-virtual-space

Ctrl+T in insert mode with virtual space
Merge branch 'master' of https://github.com/jaredpar/VsVim
Merge remote-tracking branch 'upstream/master'