Temporarily deleted test metis
improve Makefile and make-doc script, fix compilation error
Improved Makefile
Fixed scale graph url in README
write API of SCCs. (algorithm description)
merge
Added license header to files that do not have
Fixed conflict with Shikimotosan
Merge branch 'develop' of github.com:scalegraph/scalegraph into develop

Conflicts:
	src/org/scalegraph/api/StronglyConnectedComponent.x10
Change ScaleGraph URL in the license header
Update change log
Improved change log
Improved change log
Improved change log
Improved change log
sort is added
sort is modified
Merge branch 'release-2.2' into develop
sort is modified
Merge branch 'feature/sort' into develop
fix Parallel.x10 (prevent zero division)