Implement VERSION file handling for Engine

Basic approach as described in meta#81

changed milestone to %1.0-alpha2 — Precise Pheasant

added P2 + 1 deleted label

assigned to @david

added To Do label

added Doing label and removed To Do label

mentioned in commit 765aa90a

mentioned in commit engine-core@aa928a4b

mentioned in commit 513d87cd

closed with commit 2049cb87

reopened

marked this issue as related to #116 (closed)

closed

mentioned in commit 577d0287

mentioned in commit 5f63e737

removed Doing label