civicrm/upgrade-test - Add support for alt host/port. Add support for "@4.4" style args.
Merge pull request #68 from totten/master-ut-fixes

civicrm/upgrade-test - Add support for alt host/port. Add support for "@4.4" style args.
composer.lock - Fixup
Merge pull request #69 from totten/master-composer-fixup

composer.lock - Fixup
app/config/*/download.sh - Fix race among concurrent "drush make" builds

If two concurrent build try use the same build-type with different config
options, then the drush-make files may conflict.
Merge pull request #70 from totten/master-concurrent-buildtype

app/config/*/download.sh - Fix race among concurrent "drush make" builds
git_cache_setup - Change fetch call

There was an incident in which a new build was running old code. Trying
another variation on "git fetch".
Update version numbers in readme.md
civibuild - If OFFLINE is set, then skip cache updates
civibuild - Enforce timeout when updating git/svn caches

We sporadically encounter issues where "git fetch" hangs.