[geary] (8 commits) Created branch bug/776421-make-client-unit-testable

[Michael Gratton <mjog src gnome org>]

The branch 'bug/776421-make-client-unit-testable' was created.

Summary of new commits:

  b7224d6... Stop cmake warning that we are using an internal target nam
  e0b1c7b... Make VAPI build source arg a common valac arg, rather than 
  2f23f92... Don't duplicate gthread library when linking.
  403c50a... Add webkit to the list of client packages, so it can be re-
  ef46102... Rename "geary-static" to "geary-engine" to better reflect w
  bf42b7e... Split the client binary build up into a static lib + final 
  325232b... Add client lib to the test build.
  50120c6... Add simple/demo client unit test using GSettings.