8041521: JDK-8034245 breaks a bootcycle build
Reviewed-by: jjg

8015641: genstubs needs to cope with static interface methods
Reviewed-by: ksrini

8014461: genstubs creates default native methods
Reviewed-by: alanb

8001717: TypeTags cleanup breaks GenStubs
Reviewed-by: jjh

7191449: update copyright year to match last edit in jdk8 langtools repository
Reviewed-by: jjh
Contributed-by: steve.sides@oracle.com

7180594: Fix GenStubs in langtools for build-infra builds
Reviewed-by: ohair

7150579: Moved ant code into a separate package, anttasks.
Summary: To allow langtools to be built without ant, the ant tasks were moved to a separated package. The packages were also renamed to proper lower case package names.
Reviewed-by: jjg