Implement a trivial plugin registration to remove the dependency on the
`extensions` module. Also remove some unused code and options. Add
dependency on `requests` module (from LCG) to ensure the jira plugin
works correctly.

Former-commit-id: 75e5e538

Former-commit-id: 2db86708

	* Tagging as PyUtils-00-14-85-01
	* python/AthFile/impl.py: Revert to DEFAULT implementation
	(Jira: ATLASJIT-331 and ATEAM-333).

2016-08-09 Walter Lampl <walter.lampl@ cern.ch>
	* resurrect get-tag-diff.py
	* tag PyUtils-00-14-85

2016-07-14  edward.moyse@cern.ch
	* python/scripts/jira_issues.py - first attempt at JIRA interface
      - This has a few not so desirable features at the moment. You need to have the requests library installed, which you can do with : pip install --user requests
	* tag PyUtils-00-14-84

2016-07-14  Frank Winklmeier  <fwinkl@cern>
	* python/AmiLib.py (Client.get_releases): Fix the retrieval of the open TC releases, fix project retrieval
	* tag PyUtils-00-14-83

2016-06-20 Will Buttinger <will@cern.ch>
   * python/scripts/new_asgtool : added comments re how to access concrete tool class in test application
    * tag PyUtils-00-14-82
...
(Long ChangeLog diff - truncated)


Former-commit-id: 0fd8676d

2016-04-27 Walter Lampl <walter.lampl@ cern.ch>
	* rewrite of get-tag-diff.py to be cmt and cmake compatible
	* tag PyUtils-00-14-75

2016-04-12  scott snyder  <snyder@bnl.gov>

	* Tagging PyUtils-00-14-74.
	* python/RootUtils.py: Remove diagnostics.  Keep temp files open
	through the end of program execution to avoid cling caching
	issues.

2016-04-11  scott snyder  <snyder@bnl.gov>

	* Tagging PyUtils-00-14-73.
	* Still working on ATN test failure.  Seems to be related to
	ROOT-7059.

2016-04-11 Will Buttinger <will@cern.ch>
	* bin/getAMIDatasetParameters.py: improved default printout, preserve order of specified datasets, and preserve comments/blanklines from file in the inDsTxt
	* Tagging PyUtils-00-14-72
...
(Long ChangeLog diff - truncated)

	* Tagging PyUtils-00-14-27.
	* python/RootUtils.py: Don't dump transient members.

2015-04-23  Alexandre Vaniachine <vaniachine@anl.gov>

	* Tagging PyUtils-00-14-25
	* python/AthFile/impl.py: Fix for ATEAM-122: IS_DATA for BS files from SFO

2015-04-22  scott snyder  <snyder@bnl.gov>

	* Tagging PyUtils-00-14-24.
	* python/RootUtils.py (RootFileDumper): Fix for non-class
	branches.

2015-04-16 Graeme Stewart <graeme.andrew.stewart@cern.ch>
	* bin/diffTAGTree.py
	- Continue to check events that do match between TAG files
	  even when TAG files have different content or have
	  duplicates
...
(Long ChangeLog diff - truncated)

reporting, throw proper exceptions.
Prevent AthFileLits from running AthenaMP mode (PyUtils-00-14-07)

	* python/AmiLib.py
	- Remove commented out code
	* Tagging as PyUtils-00-14-07

2014-12-18 Graeme Stewart <graeme.andrew.stewart@cern.ch>
	* python/AmiLib.py
	- Another big refactoring:
	- badresult improved and now returns a boolean and an error message
	- Rename dry_run to dryrun for consistency
	- Introduce PyUtilsAMIException exception, which now gets thrown
	  consistently if there are problems
	- Consolidate the functions of get_project_of_pkg, get_version_of_pkg
	  and tc_submit_tag._get_projects into single method get_pkg_info
	- Rewrite get_version_of_pkg_with_deps to use module utilities
	- Simplify find_pkg to remove callback function
	* python/scripts/tc_find_pkg.py
	* python/scripts/tc_find_tag.py
	- Embed script in try: except PyUtilsAMIException:
	* python/scripts/tc_show_clients.py
	- Update to get_pkg_info (N.B. Script is still non-functional and disabled)
...
(Long ChangeLog diff - truncated)

gen_klass of AlgTool: Remove obsolete usage of StoreGateSvc (done by AthAlgTool base now) (PyUtils-00-13-22)