developer: make package names unique

git-svn-id: https://svn.r-project.org/ESS/trunk@5481 0bbaf3bd-34e0-0310-bf65-c717079852d4
remove long deprecated ess-read-helpobj-name-default

git-svn-id: https://svn.r-project.org/ESS/trunk@5482 0bbaf3bd-34e0-0310-bf65-c717079852d4
improving debug/undebug functionality:

   - ESS-developer integration: debug/undebug non-exported functions from

   - ess-developer-packages Much faster lookup (not relying on appropos anymore)

   - Functions search starts with current context. This allows
     flagging/unflagging during the debug session.

git-svn-id: https://svn.r-project.org/ESS/trunk@5483 0bbaf3bd-34e0-0310-bf65-c717079852d4
add ESSR.R, a placeholder for internal R code. Ultimately will end up in ESSR package.

git-svn-id: https://svn.r-project.org/ESS/trunk@5484 0bbaf3bd-34e0-0310-bf65-c717079852d4
ess-dev-map: u for unflag-for-debugging

git-svn-id: https://svn.r-project.org/ESS/trunk@5485 0bbaf3bd-34e0-0310-bf65-c717079852d4