Merge pull request #4 from mkiedys/master

Preparations for future changes
Merge pull request #5 from mkiedys/master

Sentence DAO layer
Merge pull request #6 from mkiedys/master

Service layer for sentences
Merge pull request #7 from mkiedys/master

Implementation of sentence controller
Merge pull request #8 from mkiedys/master

Create/Delete in Sentence DAO
Merge pull request #9 from mkiedys/master

Fix upsert signature
Merge pull request #10 from mkiedys/master

Add endpoint for creating sentences
Merge pull request #11 from mkiedys/master

Frontend bootstrap and update of libraries
Update libraries to newer versions
Update AngularJS to 1.2.17
Merge pull request #12 from mkiedys/libs

Display list of sentences