Migrate to bcrypt (#8446)

* start migrating to bcrypt

* added method to convert the password to bcrypt when logging in, added method to compare password without knowing the hashing algorhytm, remove default

* travis: try to upgrade to container based infrastructure

* travis: add deps to build bcrypt.js

* travis: add deps to build bcrypt.js

* travis: add deps to build bcrypt.js

* travis: add deps to build bcrypt.js

* use bcryptjs until bcrypt can be installed on travis, see https://github.com/kelektiv/node.bcrypt.js/issues/476

* correct sha1 unit tests

* try different mongodb repo

* try without mognodb services

* try again with bcrypt

* disable request logging in travis

* migrate missing routes

* simplify code

* remove bcryptjs

* fix typo

* fix typo

* fix typo in comment

* add unit tests for new passwords utility emthods

* travis: back to old infrastructure, containers often have timeouts

* add integration test for passwordHashMethod

* update shrinkwrap

* clarify code and add comments

* add integration tests

* fix linting

* fix integration tests

test/api/v3/integration/user/GET-user.test.js

@@ -23,6 +23,7 @@ describe('GET /user', () => {
     let returnedUser = await user.get('/user');
 
     expect(returnedUser.auth.local.hashed_password).to.not.exist;
+    expect(returnedUser.auth.local.passwordHashMethod).to.not.exist;
     expect(returnedUser.auth.local.salt).to.not.exist;
     expect(returnedUser.apiToken).to.not.exist;
   });