Merge pull request #24 from paulyi326/dev

[FEAT] lazy loading complete
[REFACTOR] Separate test.js into different files
Merge branch 'tests' of https://github.com/jygsaw/photoYarnServer into tests
[REFACTOR] Separate test.js into different files
Merge branch 'tests' of https://github.com/jygsaw/photoYarnServer into tests
[TEST] Rename 'thread' to 'yarn' in code for consistency
Merge branch 'tests' of https://github.com/jygsaw/photoYarnServer into tests
[TEST] Rename 'thread' to 'yarn' in code for consistency
Merge branch 'tests' of https://github.com/jygsaw/photoYarnServer into tests

Conflicts:
	test/threadTest.js
[TEST] Rename 'thread' to 'yarn' in feedTest for consistency
[TEST] Implement testUtils:populateUsers()
Added tests for protected routes
Merge branch 'testTools' of https://github.com/jygsaw/photoYarnServer into tests
added user info route