buildbot failures on Windows

[Simon Heimberg]

Buildbot running on windows has 20 failing Tests, but the reasons are 
only a few.

Here is my analysis (of build 42 to 46, which are all the same):
build 46: 
http://hgbuildbot.kublai.com/builders/Windows%202008%20R2%20hg%20tests/builds/46/steps/run-tests.py%20%28python2.6%29

Failed test-largefiles.t: output changed
   encoded path (\ is encoded)
   missing glob

Failed test-extension.t: output changed
   import problems
   missing glob

Failed test-phases-exchange.t: output changed
   server start problem

Failed test-transplant.t: output changed
   server start problem

Failed test-mq-subrepo.t: output changed
   missing glob

Failed test-treediscovery.t: output changed and returned error code 1
   server start problem

Failed test-lfconvert.t: output changed
   encoded path (\ is encoded)

Failed test-wireproto.t: output changed
   server start problem

Failed test-treediscovery-legacy.t: output changed
   server start problem

Failed test-mq-qimport.t: output changed
   server start problem

Failed test-push-http.t: output changed
   server start problem

Failed test-mq-qclone-http.t: output changed
   server start problem

Failed test-import-merge.t: output changed
   hunk fail instead of succeed

Failed test-largefiles-cache.t: output changed
   encoded path (\ is encoded)

Failed test-http-branchmap.t: output changed
   server start problem

Failed test-subrepo-relative-path.t: output changed
   server start problem

Failed test-share.t: output changed
   server start problem

Failed test-pull-http.t: output changed
   server start problem

Failed test-known.t: output changed
   server start problem

Failed test-unbundlehash.t: output changed
   server start problem