Copy description of packages from Ruby 1.9

For now, dropping ruby2.0-doc since I don't really what to ship in it.

Conflicts:
	debian/control
Fill in debian/copyright
Remove files that won't be used
a quick build needs ccache
Mark amd64-specific symbols

Thanks: John Leach <john@brightbox.co.uk>
Mark symbols as starting at version 2.0.0

Conflicts:
	debian/libruby2.0.symbols.amd64
Do not include single-debian-patch in generated package
update symbols file
Remove RPATH setting from tcltklib.so
Re-add -doc package + debian/control fixes
Fix section for -doc package
Acknowledge that there are other copyright holders
Imported Upstream version 2.0.0.353
Merge tag 'upstream/2.0.0.353'

Upstream version 2.0.0.353
ruby2.0 provides ruby-interpreter

Conflicts:
	debian/control
Split Ruby/Tk into its own package
fix typo in ruby2.0-tcltk description
Document missing licenses in debian/copyright

Closes: 723161
debian/copyright fixes

Conflicts:
	debian/libruby2.0.lintian-overrides
Revert "Remove RPATH setting from tcltklib.so"

This reverts commit 36875220a0b531bf6dbfd7d8d3278001bda0b656.