resolve: new command - add basic resolve command functionality - point failed update and merge at resolve

python-2.6: use sha wrapper from util for new merge code

fixed missing sorting in test-dumprevlog The test failed at random because the order of files was non-deterministic, which produced diffs in test output.

test-dumprevlog: fix extra path separator under MacOSX The "find .hg/store/ -name '*.i'" command returned paths with extra separators like '.hg/store//00changelog.i'.

Merge from main.

Add a batch file driver for Windows

merge: introduce mergestate

Merge with crew-stable.

win32text: actually import util so util.binary() can be used

issue 1053: heavily qualify the "cp -al" advice for cloning

Get rid of reimplementations of util.binary

Let util.binary check entire data for \0 (issue1066, issue1079)

keyword: check for '\0' in entire data before acting util.binary might not be safe enough, as it fails eg. on certain pdf files (issue1066).

keyword: make overwrite() arguments mandatory

keyword: compact setting of optional arguments

keyword: privatize remaining monkeypatches by moving them into reposetup Make it more transparent if and when monkeypatches are needed.