(MAINT) missing assert_not_match method

- just add alias to assert_no_match
(MAINT) update ec2 tags with 'created_by'

- now tag ec2 instances with Name, department, project,
  jenkins_build_url and created_by
(QENG-1599) force_encoding requires string input, pukes on symbols
(MAINT) exclude copying vendor dir to clients
(QENG-1594) Beaker 2.0.0 breaks Centos 7 sshd

- append newline to end of sshd_config file
(QENG-1548) Allow 'resourcepool' to be an optional param for 'vcloud' hypervisor
(QENG-1548) Don't generate a hostname if 'name' is specified
(QENG-1596) fixed sed commands on solaris
(QENG-1529) beaker support to query aws instance information

- access to individual instances by id
- access to array of all instances
(QENG-1596) added aix and osx to SedCommand fix
(GEM) update beaker version to 2.1.0
(HISTORY) update beaker history for gem release 2.1.0
(gh-577) Make restarting sshd more robust on Redhat systems.
Without the exact path to the service command, it fails unless the path is correct. Specifying the path, makes beaker less dependent on path settings in the vagrant boxes. Closes #577