clean up
update interface package names
not using global singleton for config and connection manager
update per java sdk update
update per java sdk update
update per java sdk update
Merge branch 'refactor' of github.com:box/box-android-sdk-v2 into refactor
Merge branch 'refactor' of github.com:box/box-android-sdk-v2 into refactor
Merge branch 'refactor' of github.com:box/box-android-sdk-v2 into refactor
Merge pull request #46 from box/refactor

V3