Add export notice to README.md

As advised by Red Hat expert compliance officers, add export notices to README.md for ManageIQ source code in addition to the notice on the website.
Removed a warning message from automation log

We log a warning everytime a service model is not found. Which includes
basic ruby objects. e.g.
[----] W, [2014-06-20T13:01:03.092624 #3049:3fe521833bdc]  WARN -- :
Service Model string not found
Added createFolder and subFolderMors to the MiqVimFolder class.

Added methods to the VMwareWebService binding that can be used
to list and create child folders.
Remove xml based deprecated tests.
Reset of the default automate domains

The rake script was broken looking for 'datastore' directory
Added support for resetting multiple domains if they exist in
the db/fixtures/ae_datastore directory
Merge pull request #107 from roliveri/create_folder

Added createFolder and subFolderMors to the MiqVimFolder class.
Merge pull request #94 from mkanoor/fix_reset_db

Reset of the default automate domains
Merge pull request #63 from tinaafitz/miq_ae_datastore_remove_spec_tests

Remove xml based deprecated tests.
Merge pull request #67 from dneary/patch-1

Add export notice to README.md
Merge pull request #84 from mkanoor/noise_in_log

Removed a warning message from automation log
Automate model restructure code adjustments.

Minor pathing adjustments and expose platform category to aid the
 cloud/infra navigation.
Initial pass of the Automate model restructure.