Update webpack to 1.12.9 & istanbul to 0.4.1.
Update webpack to 1.12.9 & istanbul to 0.4.1.

beaugunderson/lodash,steelsojka/lodash,boneskull/lodash,beaugunderson/lodash,rlugojr/lodash,tonyonodi/lodash,rlugojr/lodash,steelsojka/lodash,boneskull/lodash,msmorgan/lodash,msmorgan/lodash,tonyonodi/lodash