Cleanup build tools

Make release build to auto rollback AssemblyInfo.cs and *.nuspec files after build
Merge pull request #9 from EddieGarmon/issue-8

Cleanup build tools
Add swappable path mapping support

default support for asp.net hosting and local disk executable folder mapping
Merge pull request #11 from EddieGarmon/issue-10-mappath

Issue 10 mappath
add SendFile support, fix PathMapper bug
Merge pull request #12 from EddieGarmon/issue-2-sendfiles

add SendFile support, fix PathMapper bug
support url-encoded form data, and expose as a middleware function
Merge pull request #13 from EddieGarmon/issue-1-FormData

Issue 1 form data
Merge branch 'milestone-v1.0'
version 0.8.0