Merge with crew-stable

test-convert-svn-source: remove redundant tests

convert: allow tags detection to be disabled Tags calculation becomes more reliable but slower, measurable on frequent synchronizations.

convert: follow svn tags history (issue953)

Add a test for svn tags conversion

convert: avoid svn log retrieval process cleanup With huge history (like kdelibs), the process termination suddenly consumes a lot of memory (from 700M to 1.3G+). Since the job is done, clean termination is not required, just exit.

test-convert-mtn: test directory deletion

fix const annotation warning

highlight: some small cleanups

hgweb: refactor hgweb code

hgweb: separate out utility functions

Backed out changeset d2bb66a8a435 (temporary template compatibility)

mercurial.el: note new Emacs VC mode support

manifest: improve parsing performance by 8x via a new C extension

Added signature for changeset bae2e9c838e9

Added tag 1.0 for changeset bae2e9c838e9