1.15.1
Module: Document shared properties

Fixes #63
Closes #64
1.15.2
Begin: Update signature and add example

Ref jquery/qunit#350
Closes #48
Entries: Notify of QUnit.push deprecation

Ref jquery/qunit#588
Ref #53
Entries: Document assert.push

Also removes the example on the deprecated QUnit.push documentation.

Ref jquery/qunit#588
Closes #53
TestDone: Rename testDone's duration property to runtime

Ref jquery/qunit#395
Closes #68
1.15.3