update(changelog): build change list for 0.7.0-rc1 release
release: version 0.7.0-rc1
enhance(sidenav): support promise notifications for open, close, toggle

Fix focus management on close

Refs #855, Refs #728, Closes #728, Closes #855, Closes #947.
Close #989.
fix(demos): tab dynamic demo removes use of on-select expressions
update(docs): remove extra linebreak.

Fixes #1001.
amend(elementRect): just use getBoundingClientRect
refactor(tabs): updates tabs css to use new theming
docs(): remove dist before rebuilding
enhance(sidenav): add promise API for .when()

Fixes #974.
tests(sidenav): removed ddescribe override
fix(componentRegistry): gracefully recover if no md-component-id is specified
fix(mdUtil): fix `throttle()` delay check