Individual module bug fix

Jira Issue: WP-933
Added Service Management methods:
webinos.configuration.setServiceConfiguration
webinos.configuration.getServiceConfiguration

Jira issue: WP-933
Added existsSync var for backward compatibility

Jira-issue: WP-933
Removed reference to package.json
This reference was thought to get the "name" parameter of webinos
modules, but this parameter comes from the module's folder name.

Jira issue: WP-933
Merge pull request #2 from smonteleone/WP-933-serviceConfig

Wp 933 service config
Merge pull request #37 from habibvirji/WP-933-serviceConfig

Wp 933 service config