TSLint template is not detected correctly

Summary

The path to the tslint.json template file is incorrect.

Steps to reproduce

Install the package with no tslint.json in your package.

Example

File "/home/stordeur/StApps/proxy/tslint.json" should extend "./node_modules/@openstapps/configuration/tslint.json"!
fs.js:115
    throw err;
    ^

Error: ENOENT: no such file or directory, open '/home/stordeur/StApps/proxy/node_modules/@openstapps/configuration/templates/tslint.json'
    at Object.openSync (fs.js:436:3)
    at Object.readFileSync (fs.js:341:35)
    at forEach (/home/stordeur/StApps/proxy/node_modules/@openstapps/configuration/lib/cli.js:60:31)
    at Array.forEach (<anonymous>)
    at Object.<anonymous> (/home/stordeur/StApps/proxy/node_modules/@openstapps/configuration/lib/cli.js:53:34)
    at Module._compile (internal/modules/cjs/loader.js:688:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:699:10)
    at Module.load (internal/modules/cjs/loader.js:598:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:537:12)
    at Function.Module._load (internal/modules/cjs/loader.js:529:3)