Title: AutoIncrement should work
Description:  Added seqmodel that keeps track of _id for docs

Edited:
Deleted:
Fixes:
Important: REMEMBER SEQ collection created directly in mongolab FIX FIX FIX
Alert: SE IMPORTANT
Snip:
Commit: Robert
Title: cleanup in dbtest and mapper
Description:

Edited: dbTest and documentMapper
Deleted:
Fixes:
Important: REMEMBER SEQ collection created directly in mongolab FIX FIX FIX
Alert: SE IMPORTANT
Snip:
Commit: Robert
Title:  dbtest and mapper increments doc_id
Description:  switched to autoincrementation of doc_id instead of _id

Edited: dbTest and documentMapper
Deleted:
Fixes:
Important:
Alert:
Snip:
Commit: Robert
Title:  dbMock-test and dbMock fixed
Description:  Mock testing now works

Edited:
Deleted:
Fixes: dbMock and dbMock-test
Important:
Alert:
Snip:
Commit: Robert
Added BDD for documentMapper.deleteDocument

Description: Wrote delete test
Commit: Christopher, Robert
Title: Wrote delete-logic

Description: I have no description for this awesome solution.
Commit: Christopher, Robert
Title:  added getAllDocuments
Description:  returns all documents

Edited: postDocument change to createDocument getDocument no takes doc_id and not _id

Deleted:
Fixes:
Important:
Alert:
Snip:
Commit: Robert
Title: Test written to getAllDocuments

Description: ready to be used together with the documentMapper’s method
getAllDocuments();
Commit: Christopher
Merge remote-tracking branch 'origin/Feature/db/post_delete_test' into Feature/db/post_delete_test
Title:  cleanup in mapper for merge
Description:  returns all documents

Edited:
Deleted:
Fixes:
Important: Test works
Alert:
Snip:
Commit: Robert
Title:merged incrementer with mock tests
Description: backend merged, with updated mapper methods

Commit: Robert, Simon
Title: Merged backed with develop
Description: Mocks implemented, tests are green

important: Sequence must still be qenerated manually

Conflicts:
	server/model/connection.js
	server/model/models.js
	test/backend-test/test-testdb.js

Commit: Simon, Robert