Log Message:
Update to 2.7.2:

Regularly scheduled bugfix release. This fixes significant regressions
from 2.7 in push/pull performance and SSL negotiation.

    bundle: fix performance regression when bundling file changes (issue4031)
    generaldelta: initialize basecache properly
    help: use full name of extensions to look up them for keyword search
    histedit: abort if there are multiple roots in "--outgoing" revisions
    histedit: add more detailed help about "--outgoing"
    histedit: suggest "histedit --abort" for inconsistent histedit state
    httpclient: apply upstream revision da7579b034a4 to fix SSL problems (issue4038)
    rebase: catch RepoLookupError at restoring rebase state for abort/continue
    rebase: catch RepoLookupError at restoring rebase state for summary
    repoview: have unfilteredpropertycache using the underlying cache
    repoview: make propertycache.setcache compatible with repoview
    revset: fix wrong keyword() behaviour for strings with spaces
    sslutil: backed out changeset 074bd02352c0 (issue4038)
    strip: set current bookmark to None if stripped