Pare RAMP repo down to RAMP-only, Phase I

Remove references to Smart or other RAMP applications from installation
and public directories.

Change default environment for RAMP from non-existent 'production'
environment to 'rampdemo' environment and update vhost examples to
reflect that change.
Remove all settings except Ramp Demo
Make configs directory Ramp-only
Restore Ramp Admin settings
Fix paths & access to Ramp activities/settings
Pare docs down to Ramp-only
Fix vestigial references to docs/rampDocs
Fix vestigial references to rampDemo directory
Fix vestigial references to demoSettings/Admin
More directory name cleanup
make public/css directory Ramp-only
Repository README refers only to RAMP
Refine building block files for application.ini
Set ramp demo db in custom_properties
Fix typo
Make README avail to guest in installation script
Move INSTALL instructions to top directory

- Move INSTALL instructions to top directory.
- Clean up references to files in top directory.
Turn references to README.mk, LICENCSE, etc into regular URL
references to files on the same server rather than RAMP-internal
"document activity" URL's.  With this change, links will work on
GitHub, not just in an installed version of RAMP.
Improve various comments in scripts and settings
Remove rampAbout (redundant with README)
Fix typo in link to README