v2.0.0

Changes

• Removed e2e related tasks
• updated from refill-task-karma v3 to v4 which fixed issues in generating coverage and sourcemaps
• updated from refill-task-browserfiy v2 to v3 which fixed issues in generating sourcemaps
• renamed env vars to refill
• updated readme
• removed ng templates as they are obsolete with es2015 templates
• updated zkflow-node to refill-node
• updated zkflow-task-eslint to refill-task-eslint with eslint v3
• updated zkflow-task-karma to refill-task-karma with karma v1
• updated to gulp-csso v3 with csso v2
• moved clean task to external repository
• added support to es2015 through babelify
• changed default karma browser from phantom to chrome
• removed bower
• jsbeautifier and jshint replaced with eslint
• updated dependencies
• replaced gulp-minify-html with gulp-htmlmin
• removed sassdoc