use mercurial instead of git on appveyor...
use mercurial instead of git on appveyor
Some tests fail on git version 2.6.3.windows.1.
<pre>
1) Error:
GitAdapterTest#test_entries_branch:
NoMethodError: undefined method `identifier' for nil:NilClass
test/unit/lib/redmine/scm/adapters/git_adapter_test.rb:464:in `test_entries_branch'
2) Error:
GitAdapterTest#test_entries_tag:
NoMethodError: undefined method `identifier' for nil:NilClass
test/unit/lib/redmine/scm/adapters/git_adapter_test.rb:447:in `test_entries_tag'
</pre>
git-svn-id:
http://svn.redmine.org/redmine/trunk@14903 e93f8b46-1217-0410-a6f0-8f06a7374b81
