Update Framework's README to include reference to support of constants as an Angular built-in extension, WTD-572.
Document implementation more fully, including notes on composite services. WTD-518.
Add an overview of the stages of framework execution at the bundle level. WTD-518.
Add general structure for Open MCT Web, including top-level and second-level directory structure. README files are included to explain the role of each directory; markdown is used to allow for richer display when viewer support is present. WTD-519.
