RFE: backlog for linchpin

[samvarankashyap]

This current PR consists of all the inactive and potential issue that shall be fixed at a later point of time in the future but not immediately due to higher priority issues in the pipeline.

• #376 Extend linchpin to support digital ocean API
• #585 Logo proposal for linchpin
• #762 linchpin use case: openshift on a single node
• #763 Openshift single node on aws
• #764 provisioning openstack cluster using linchpin
• #327 breakout beaker_info and beaker_server into proper ansible module
• #755 Rollback changes after unsuccessful provisioning
• #1086 Template based Pinfile creation for openstack
• #1058 Provide a generic template to generate resource files from parameters
• #486 Create external context for linchpin
• #1100 Openstack boot log
• #1101 Collect beaker boot log
• #1102 Collect openshift bootlog
• #1103 collect libvirt bootlog
• #1104 Collect vmware bootlog
• #1105 Beaker quota check
• #1106 Openshift quota check
• #1107 VMware quota check
• #1108 libvirt quota check
• #857 cloud resources dependency checks

Note: The issues mentioned above will be re-opened once they are moved to in progress