add native gauge type + test case
Add {find,Path} and {select,Pat} as subscriptions
add update_or_create/[2,4]
Merge branch 'uw-wild-subscriptions' into uw-merge-prs
Merge branch 'uw-update-or-create' into uw-merge-prs

Conflicts:
	src/exometer.erl
	test/exometer_SUITE.erl
added exometer_report_lager.erl
Merge branch 'uw-lager-reporter' into uw-merge-prs

Conflicts:
	README.md
Merge pull request #56 from Feuerlabs/uw-merge-prs

Uw merge prs