Test symlink handling on platform not supporting them

hghave: feature absence can be checked by prefixing with 'no-'

Fix hgwebdir after 9858477ed74cce9dc8f4069f9453a1bda0e13ba1 broke it.

CVS import: Support new-style .cvspass-file format. Based on an email from Ralf.Leibold at nuance dot com

Remove trailing spaces

Update on pull -u when heads were closed (fixes issue666). Patch written by Benoit Boissinot. This should probably be improved in the future to handle long-living branches, as joining two "other" heads will switch to that new head. But this is not a new problem, as adding to the "other" head would have switched to that new head, too.

gitweb: add notfound template

Add message to test output if a test is aborted due to a timeout. Without this an aborted test could produce an empty .err file so the diff looks like as if all lines of the .out files are just missing for some unknown reason.

Fix issue 653: symlinks checkout failure on non-supporting platforms

test-oldcgi: replace shebangs with explicit python calls to help pysh.