Add initial sharable DDCMP support
Cleaned up readme documentation to avoid potential confusion when initially setting up a windows build environment.
Changed some spaces and indentations
Fix for Unibus word DMA from Rob Jarratt
Added support to the Remote Console facility to close a remote console session on EOF
Cleanup DUP11 implementation and refactor for shared use by another device (KMC11).
Fix network build on OSX when libvdeplug is available.
Compiler warning cleanup
This fixes the problem that MMR1 is recording changes to R7 (PC), which it should not. (issue #44)

It does not fix the problem that MMR1 is not used for floating point instructions.

I don't know if I will fix the FP MMR1 problem. It does not seem to impact running software. It is consistent with the architecture spec - just not with the actual J11 implementation. The J11 microcode has a variety of exception exits for FP conditions, and I have to trace which ones invoke fix-up, and which do not.
Added needed DUP interfaces to allow use by KMC11/KDP.
Added missing STRSYN from DDCMP dup setup
remote compiler warning
Remove stray tab characters which crept in over time
Compiler warning fixes from Brian Knittel
Fix UBA NPR transfers, CD20, tmxr corruption

The KS10 UBA emulation needs to accurately reflect how the hardware
handles merging new data to memory.   It also needs a formal interface
for 18-bit transfers. This edit corrects that.  There's still room for
optimization, but it is (should be) functionally correct.

The CD20 emulation had a large number of problems that prevented it from
working on (at least) TOPS-10/TOPS-20.  Last card hopper handling caused
extra cards to show up at OS.  Augmented image mode was missing.
Configuration needed improvements.  Added set EOF command, as autoEOF
isn't a good model for the TOPS-10/20 spooling subsystem.  Made CD20 a
distinct model.    This is a fairly serious rewrite of the CR/CD
emulation.  There may be some unfound bugs.

sim_tmxr writes a text message to non-telnet lines when it's overloaded.
This confuses binary users, and causes more overloading.  Don't do that.