Installing has many warnings. Some about deprecation and security #59

> npm install datapackage -g
npm WARN deprecated lodash.createcallback@2.4.4: This package is discontinued. Use lodash.iteratee@^4.0.0.
npm WARN deprecated node-uuid@1.4.7: use uuid module instead
npm WARN deprecated tough-cookie@0.9.15: ReDoS vulnerability parsing Set-Cookie https://nodesecurity.io/advisories/130
npm WARN deprecated minimatch@0.2.14: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
npm WARN deprecated json-table-schema-infer@0.1.0: Please use https://www.npmjs.com/package/jsontableschema instead
npm WARN deprecated minimatch@0.3.0: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
npm WARN deprecated graceful-fs@1.2.3: graceful-fs v3.0.0 and before will fail on node releases >= v7.0. Please update to graceful-fs@^4.0.0 as soon as possible. Use 'npm ls graceful-fs' to find it in the tree.
npm WARN deprecated tough-cookie@2.2.2: ReDoS vulnerability parsing Set-Cookie https://nodesecurity.io/advisories/130
npm WARN engine punycode@2.0.1: wanted: {"node":">=6"} (current: {"node":"4.3.1","npm":"1.4.21"})
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npm WARN deprecated lodash.createcallback@2.4.4: This package is discontinued. Use lodash.iteratee@^4.0.0.
npm WARN deprecated node-uuid@1.4.7: use uuid module instead
npm WARN deprecated tough-cookie@0.9.15: ReDoS vulnerability parsing Set-Cookie https://nodesecurity.io/advisories/130
npm WARN deprecated minimatch@0.2.14: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
npm WARN deprecated json-table-schema-infer@0.1.0: Please use https://www.npmjs.com/package/jsontableschema instead
npm WARN deprecated minimatch@0.3.0: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
npm WARN deprecated graceful-fs@1.2.3: graceful-fs v3.0.0 and before will fail on node releases >= v7.0. Please update to graceful-fs@^4.0.0 as soon as possible. Use 'npm ls graceful-fs' to find it in the tree.
npm WARN deprecated tough-cookie@2.2.2: ReDoS vulnerability parsing Set-Cookie https://nodesecurity.io/advisories/130
npm WARN engine punycode@2.0.1: wanted: {"node":">=6"} (current: {"node":"4.3.1","npm":"1.4.21"})