Revert "Revert "Bump up lodash version to 2.4.1""

This reverts commit 2eb7ed75daa1f7ff8c89d2cc5667c1b13e983167.

Another attempt to merge lodash version bumpup. It seems to work
for Firefox after all.

Change-Id: Iae11de9bd56cfe2326f44849a9208c5681bb68ef
Closes-Bug: #1281076
Merge "Revert "Revert "Bump up lodash version to 2.4.1"""