Added pre- and post-build events to try and synchronize the parser with the .peg file more often.
Fix warnings.
Updated Pegasus.exe and the tests to .NET 4.5.
Added Roslyn integration, solving almost all of the woes related to code sections. Fixes #26, #33.
Fixed StyleCop warnings.
Merge branch 'roslyn-syntax-checking' into tracking-3.1