2017-01-07 release

This release contains an important bug fix, see #455 for details.

New terms in this release:

+[Term]
+id: ENVO:01000870
+name: ground deformation process
+def: "A process in which a solid planetary surface is deformed." []
+comment: This is a class to be filled by inference.
+is_a: ENVO:02500000 ! environmental system process
+relationship: has_input ENVO:01000635 ! land
+
+[Term]
+id: ENVO:01000871
+name: puddle of water
+def: "A puddle is a small accumulation of water, on a surface. It can form either by pooling in a depression on the surface, or by surface tension upon a fla
+comment: This class refers only to puddles of water, see https://github.com/EnvironmentOntology/envo/issues/337
+is_a: ENVO:00000549 ! intermittent water body
+
+[Term]
+id: ENVO:01000872
+name: balast water
+def: "Ballast water is water contained in the ballast tanks of sea-going vessels." [http://www.nature.com/news/four-routes-to-better-maritime-governance-1.21
+is_a: ENVO:00002006 ! water
+
+[Term]
+id: ENVO:01000873
+name: ballast tank
+def: "A ballast tank is a compartment within a boat, ship or other floating structure that holds water, which is used as ballast to provide stability for a v
+comment: Consider using http://purl.obolibrary.org/obo/OBI_0000967 as a super-class
+is_a: ENVO:00003074 ! manufactured product