http: report unexpected unparsable push responses (issue2777)

dispatch: write shell alias output to ui out descriptor

commands: use ui descriptors when reading/writing from stdin/out

cmdutil: return a dummy, closable file object if it cannot be duped If the ui I/O descriptors aren't real descriptors, they cannot be duped. Instead, we return a wrapper object that behaves the same, and can be closed (by overriding close and doing nothing).

cmdutil: use ui descriptors in makefileobj

mq: use ui.fin when importing patch from '-'

cmdutil, logmessage: use ui.fin when reading from '-'

dagutil: fix missing import of i18n._

hgmanpage: adapt to Docutils 0.8 API change

manifest: use "\0" instead of "\000" Though both give the same result (a NUL byte), I found that I tend to read "\000" as "\0" + "00", which is something completely different. I did not change the occurance of "\000" in archival.py since there are other octal constants in that file.

commands: add pointer to bookmarks command in branch help

glossary: add entry for "Bookmark"

glossary: add entry for "Tag"

merge with i18n