Merge pull request #204 from rojepp/master

Update Xwt dependencies for XS 4.1.9
Improved MonoDevelop location detection

Properly detect the MonoDevelop location when the add-in is being
built as part of MonoDevelop.
Directly execute mdtool.exe instead of using the script

Required since when building the add-in as part of MonoDevelop
there is no script to run
Use Xwt from the installed MonoDevelop when available
Added special case for detecting MonoDevelop location

Required when building the add-in from inside the MonoDevelop
build directory.
Fix Xwt.Gtk location in the MonoDevelop add-in project
Fix build issue in the MonoDevelop add-in

Add Makefile as a dependency of the generated project files.
This ensures that the project files are always regenerated
when the configure script is run
Don't copy the .addins.xml file to the output directory

The .addins.xml file is already embedded in the add-in assembly,
so there is no need to copy it. The add-in package can be built
using the add-in assembly as source file.
Don't local copy the gtk# assemblies
Merge pull request #206 from slluis/build-fixes

Added support for building the MonoDevelop add-in using a local source directory of MonoDevelop
Add configure script for windows

The new configure.bat script does the same as configure.sh, but using
a c# app (which will eventually be reused for configure.sh too).
The windows fsproj and addin.xml files have been removed from the repo,
since they are now generated. Also fixed paths in the orig fsproj.
Use the new configuration app for mac and linux
Remove use of local Fsharp compiler to fix build on Windows as part of MonoDevelop
Fix build on Mac
normalize formatting in addin.xml files
remove old logic from project file
Use configuration script portable between Windows and Mac/Linux
fix configuration on Windows
remove file generated by configuration
Update README.md with new instructions