UUIDGenerator
use  java.nio.ByteBuffer
Merge pull request #1 from liweinan/UUIDGenerator

UUIDGenerator
CRUD for users.
Basic task functionality working
add coding style
minor fix
Merge pull request #5 from liweinan/coding_style

CODING_STYLE.md
Made some changes based on feedback and trying to adhere to the coding standards
Merge pull request #3 from thescouser89/cleanup

Addition of basic views, controllers, and models for Users and Tasks
decouple primary key generator and its default uuid implementation
changes on database naming style
merge upstream