Merge branch 'release/0.6.1' into develop
remove storage.LocalForageStorage and explicit dependency again...
fix externals configuration.
update version.
Merge branch 'release/0.6.2'
Merge branch 'release/0.6.2' into develop
add defaultPath parameter.
allow simple interface definition with array.
update version.
Merge branch 'release/0.6.3'