code to verify efficient_attachments.  this code needs to make its way into unit tests if not already.
use submodules for dependencies
some experimenting unit tests, can be deleted
update to latest submodules
remove intellij files
ignore intellij files
The URL to cbliteektorp was changed
add missing reference to mavenLocal() to match other projects.  (did not change behavior afaik)
Update docs
Configure android sdk location
Merge branch 'refs/heads/efficient_attachments'

Conflicts:
	.gitignore