add a reference to the autogen.sh step to the INSTALL file

-- Russ herrold
Merge README.SVN information into INSTALL

Author:    Roger Bowler <rbowler@hercules-390.eu>
Update BUILD instructions to be a bit more current.
Changes to be able to build with/without Shared Dasd support:

Make changes necessary to successfully build without OPTION_SHARED_DEVICES defined.
Define new HQA Build Scenarios 12 & 13 for building with/without OPTION_SHARED_DEVICES.
Merge branch 'master' of github.com:hercules-390/hyperion

Conflicts:
	BUILDING
More BUILDING and INSTALL tweaks.
Minor Visual Studio project tweaks:

Add BUILDING document to .vcproj
Move INSTALL/BUILDING documents to 'Build' folder
Fix build on *nix when OPTION_SHARED_DEVICES is not defined.
Fix *nix "ignoring #pragma optimize" build warning:

Minor tweak to commit 98ccd55b0f263dcaa97803704b1b894d42da80df to workaround Visual Studio 2010 internal compiler error.
Fix minor *nix build warning re: incompatible argument type.
Fix some minor gcc build warnings:

scedasd.c: signed/unsigned comparison
zfcp.c: unused variables
Clean up INSTALL; add README.BSD; fix UNREACHABLE_CODE for BSD
Revert warning fix and promote chunk to unsigned

fb3c2d12 caused a regression where Hercules would output:
HHC00600E SCE file X: error in function read(): Bad address

Promote chunk to size_t (unsigned) which will get rid of the
warnings and don't truncate the values
Merge pull request #30 from bluecmd/scedasd-regression

Revert warning fix and promote chunk to unsigned