Integrates #46 and #47

Merges #46 and #47 to provide JSON minification and fixes uglifier arguments

Fixes typo with JS compressor

Release fixes typo with JS compressor as per #43

0.1.8

Add functionality to only run on prod mode

Merges and updates

Updates dependencies and merges some bug fixes.

Merges #29

Merges PR #29

Merges #28

Merges #28 to fix exclusion issues.

Upgrade uglifier and merge #24

Upgrades uglifier and merges #24 to fix exclusion issues.

Adds user selectable htmlcompressor options

Merges #23 to add user selectable htmlcompressor options in addition to a preserve_php.
Thanks @chris-huxtable for your contribution!

v0.1.1

Update version.rb

Switch to cssminify2 fork

Switches to cssminify2 fork (github.com/digitalsparky/cssminify) to resolve #16