add cfengine provisioner suse install support
Resolving #2194 (Ansible buffering output if run as subprocess)
fixed a broken link
Merge pull request #2284 from jeremyquinton/link_fix

website/docs: fixed a broken link
Remove old /tmp/bootstrap_salt.sh before uploading as it may not be writeable
Merge pull request #2290 from ianheggie/fix_provision_permissions_error_on_bootstrap

provisioners/salt: remove bootstrap definition on each run
Update CHANGELOG
core: Translation to remove 'solo' from shared chef error [GH-2276]
Merge pull request #2273 from czi/fix/master/my_contribution

guests/suse: Update CFEngine provisioners plugin for SuSE install compatibility
Update CHANGELOG
website/docs: Document remote shell provisioner
provisioners/chef: use real variable in delete from chef sever [GH-2300]
Merge pull request #2301 from fgrehm/document-remote-shell-provisioner

website/docs: document remote shell provisioner
Merge pull request #2275 from jabclab/ansible-buffering

Resolving #2194 (Ansible buffering output if run as subprocess)
Update CHANGELOG
core: errors can use error_message to specify string error message
core: defined action hook names can be strings, convert to symbols