changelog: added entries for 1.4.x and mwatch changes
+2017-xx-xx: v0.0.6
+ 1.4.x protobuf support
+ mwatch support for framework-{added,updated,removed} events
+
2017-09-19: v0.0.5
1.3.x protobuf support
cmd/msh: fixes and non-terminating detach (CTRL-P, Q)
