Swagger versio should be a string
Update swagger tools version
Update package verison
Add documentation
Add expand paramater functionality by peakpado.
added missing files
Merge branch 'master' of github.com:appirio-tech/lc1-discussion-service into add_expand

Conflicts:
	Gruntfile.js
	package.json
Merge pull request #16 from appirio-tech/add_expand

Add expand paramters