Feature/node tagging

[jlongever]

Add 'tags' to nodes to identify groups of nodes by arbitrary tag names
Add 1.1 and 2.0 paths for new /nodes and /tags routes.

This is on @zyoung51's behalf, resolves merge conflicts from #135, which can be closed.
@RackHD/corecommitters @uppalk1 @tannoa2 @keedya @zyoung51

[brianparry]

👍

[jlongever]

test this please

[JenkinsRHD]

*** BUILD #505 ***
Test Name: test_workflowTasks_put
Error Details: Soft Reset Node != fn_1
-------------------- >> begin captured logging << --------------------
tests.api.v1_1.workflowTasks_tests: INFO: Adding workflow task : {'friendlyName': 'fn_1', 'injectableName': 'in_1', 'properties': {}, 'options': {}, 'implementsTask': 'im_1'}
--------------------- >> end captured logging << ---------------------
Stack Trace:   File "/usr/lib/python2.7/unittest/case.py", line 331, in run
    testMethod()
  File "/usr/lib/python2.7/unittest/case.py", line 1043, in runTest
    self._testFunc()
  File "/usr/local/lib/python2.7/dist-packages/proboscis/case.py", line 296, in testng_method_mistake_capture_func
    compatability.capture_type_error(s_func)
  File "/usr/local/lib/python2.7/dist-packages/proboscis/compatability/exceptions_2_6.py", line 27, in capture_type_error
    func()
  File "/usr/local/lib/python2.7/dist-packages/proboscis/case.py", line 350, in func
    func(test_case.state.get_state())
  File "/var/lib/jenkins/jobs/on-http/workspace/RackHD/test/tests/api/v1_1/workflowTasks_tests.py", line 84, in test_workflowTasks_put
    assert_equal(readFriendlyName,self.workflowTaskDict.get('friendlyName'))
  File "/usr/local/lib/python2.7/dist-packages/proboscis/asserts.py", line 55, in assert_equal
    raise ASSERTION_ERROR(message)
"Soft Reset Node != fn_1\n-------------------- >> begin captured logging << --------------------\ntests.api.v1_1.workflowTasks_tests: INFO: Adding workflow task : {'friendlyName': 'fn_1', 'injectableName': 'in_1', 'properties': {}, 'options': {}, 'implementsTask': 'im_1'}\n--------------------- >> end captured logging << ---------------------"

[zyoung51]

Good stuff. +1

[jlongever]

test this please

[jlongever]

+1. Checks are good, based on previous PR #135 +1's I'm going to merge.