Commit d3348e introduced few errors in Eclipse.
This commit cleans up the new API:
- fixes API error in RepoCommand after moving IncludedFileReader type
- fixes unused imports in RepoCommand & RepoCommandTest
- fix javadoc errors in ManifestParser & RepoProject
- makes three (implicitly final) fields in ManifestParser final.
Change-Id: I4185f451d97039d155391f62815bb9d3afe39fa6
Signed-off-by: Andrey Loskutov <loskutov@gmx.de>