Add: Basic API calls and db driven models

This commit adds the ability for the API to create and track
db models related to snippets that will be profiled. No actual
profiling is done yet.

Signed-off-by: Kevin Conway <kevinjacobconway@gmail.com>
Add: Basic unittests for the entries API

Signed-off-by: Kevin Conway <kevinjacobconway@gmail.com>
Add: PEP8 and PyFlakes linters to the gate

Signed-off-by: Kevin Conway <kevinjacobconway@gmail.com>
Merge pull request #9 from kevinconway/basic_api

Basic api