experimental.  gen.cs generates all the projects files and solution file to do a build.
solution folders in gen.cs
mv gen_build.cs to top and have it generate into a folder so it's easier to just rm the whole thing as clean
fix build break in gen_build.cs
chg output dirs to make it easier to gather the build products
no more pdbs on release builds
simply pcl config spec to combine env and sqlite3 to form nat
fix profile158 target framework 4.0 issue
a few naming changes to prepare for future things
fixes for gen_build.  and generate a separate sln for stuff that has to be built on the Mac.
chg the iOS build to assume it is being done in Visual Studio using Xamarin integration with same.
skeleton code to generate nuspec.  checkpoint.
progress on generating nuspec.  refactoring gen_build a bit to clean things up.
bug fixes.  adding generation of .targets file inside the nuspec stuff.
more nuget progress
cleanup formerly public get_category()
nuspec progress
fix path problem in targets files
first step toward dynamic builds of sqlite as well