misc packaging updates

Simplify debian/watch file.
Swizzle packaging repo to collab-maint.
Substitute version in installed .el files
Install documentation.
Install examples.
Source format 3.0 (quilt)
Install haskell logo.
Update copyright per upstream switch to GPL-3.
Move emacsen startup files to package-specific locations.
leave .el files linked in emacs flavour dirs to enable help, per debian policy

see bugs.debian.org/679044
log changes