* use a macro to add resource files for executables and shared libraries
* use that macro to declare targets
* use that macro to set library/binary versioning
* use that macro to set target output name
* use a macro to create manpages and names
* Split out proxy headers and moved to public API to allow external
modules to be built.
* Split proxy into proxy library and proxy binary. The library
can be used by other applications and provides a simple API
* Improved channel passthrough, now all channels including dynamic
channels work.
* Extended module API to hook more events, improved module samples
* Cleaned up proxy code, removed global static variables used,
added WINPR_ASSERT
