tracker tries to get its option from the superclass
support for mongoid with moped 2.0.x

Moped 2.x will be dropping the Moped namespace in favor of using the BSON gem directly. You may want to version, or branch this repo, but though i'd mention it and make the commit.
compat with moped 1
Merge pull request #7 from thinkclay/patch-1

support for mongoid with moped 2.0.x
Merge branch 'master' of github.com:rs-pro/mongoid-audit

Conflicts:
	lib/mongoid-audit/rails_admin.rb
fix specs and deprecation warnings
version -> 0.3.0
fix more spec warnings
Update mongoid-audit.gemspec
bump version
gems
test on 2.1.0
Merge remote-tracking branch 'mainRepo/master' into allow_track_declaration_in_submodel

* mainRepo/master: (29 commits)
  test on 2.1.0
  gems
  bump version
  Update mongoid-audit.gemspec
  fix more spec warnings
  version -> 0.3.0
  fix specs and deprecation warnings
  compat with moped 1
  support for mongoid with moped 2.0.x
  add coveralls and gem version [ci ckip]
  fix specs and gemspec
  fix history search add rails_admin specs
  Update README.md
  removed mongoid loading from github
  bump version
  fix bug when duplicate relation exists
  try to fix storing bug
  fix storing modifier in mongoid 4
  bump version
  Always add timestamp fields to :except
  ...