Merge pull request #53 from ddumont/master

Use same location as webpack's other sourcmaps.

release 2.4.2

bump 2.3.0

bump to 2.2.0

add manifestName

fix #19

Merge pull request #15 from IndraGunawan/fix1

Fix duplicate hash at generated filename

Merge pull request #11 from filipesilva/filename-template

allow filename templating

add uglify option, fix #6

publish 1.2.0