Fixing deploy to NPM and some vulnerabilities

Fixed

• #20 Fix deploy to NPM from Travis @jnogol @mchacon
• Run npm audit fix to fix vulnerabilities @jnogol

Skip npm install and fix CVE-2018-16472

Fixed

• #14 Update browserify due to CVE-2018-16472 in transitive dependency (cached-path-relative) @jnogol
• #16 fixed build: users of your library should not need to install grunt @dpoetzsch

v1.0.6

upgrading to v1.0.6