branchmap: wrap builtin exception in bytes for logging Differential Revision: https://phab.mercurial-scm.org/D2224

remotenames: add three new revsets related to remotenames This patch adds three new revsets 'remotenames', 'remotebookmarks' and 'remotebranches' which will return changesets which have remotenames, remotebookmarks and remotebranches on them respectively. The remotenames revset exist in hgremotenames extension and is moved from there whereas rest of the two revsets are introduced in this patch. hgremotenames: https://bitbucket.org/seanfarley/hgremotenames Differential Revision: https://phab.mercurial-scm.org/D2002

convert: fix line ending of mapfile and commit.desc file Follows up 42a393ea56d2. CRLF vs LF doesn't really matter as we do strip() or rstrip() on read, but mixing them isn't nice. So let's restore the old behavior. I don't know whether CVS/Root, CVS/Repository, and ~/.cvspass are written in native line ending, so I leave them read as binary files.

py3: port string formatting `skipped` is a set of integer revs here. So cast integers to strings using %d. None doesn't cast to an empty string on Python 3. So use '' explicitly. Differential Revision: https://phab.mercurial-scm.org/D2146