Lookatme

Adds version flag, license, code of conduct

| type | ticket | description |
|--------:|---------------------------------------------------------|----------------------|
| feature | [67](https://github.com/d0c-s4vage/lookatme/issues/67) | Adds version flag |
| feature | | Adds code of conduct |
| bug | [66](https://github.com/d0c-s4vage/lookatme/issues/66) | Adds missing license |

Adds stylable meta field values (title, author, date) and smart slide splitting.

| type | ticket | description |
|--------:|---------------------------------------------------------|----------------------------|
| feature | [14](https://github.com/d0c-s4vage/lookatme/issues/14) | Adds stylable meta values |
| feature | [30](https://github.com/d0c-s4vage/lookatme/issues/30) | Adds smart slide splitting |
| bug | [53](https://github.com/d0c-s4vage/lookatme/issues/53) | Dump unicode styles YAML |
| bug | [32](https://github.com/d0c-s4vage/lookatme/issues/32) | Fix newline bug |
| bug | [57](https://github.com/d0c-s4vage/lookatme/issues/57) | Fix empty code block bug |

Large efforts around contrib extensions and their documentation. Created the
[lookatme.contrib-template](https://github.com/d0c-s4vage/lookatme.contrib-template)
as well.

| type | ticket | description |
|--------:|---------------------------------------------------------|--------------------------------------------------------------|
| feature | [23](https://github.com/d0c-s4vage/lookatme/issues/23) | Adds contrib extension documentation |
| feature | [46](https://github.com/d0c-s4vage/lookatme/issues/46) | Lets inline markdown rendering be extensible |
| feature | [54](https://github.com/d0c-s4vage/lookatme/issues/54) | Changes the expected contrib namespace to `lookatme.contrib` |

Major efforts include adding clickable links and gracefully handling invalid
markdown code-block languages.

| type | ticket | description |
|--------:|---------------------------------------------------------|-----------------------------------|
| feature | [16](https://github.com/d0c-s4vage/lookatme/issues/16) | Added clickable links |
| bug | [45](https://github.com/d0c-s4vage/lookatme/issues/45) | Handle invalid code langs |
| bug | [50](https://github.com/d0c-s4vage/lookatme/issues/50) | Specify Python >= 3.3 requirement | |

Major efforts include: light theme, documentation

| type | ticket | description |
|--------:|---------------------------------------------------------|-------------------------------|
| feature | [2](https://github.com/d0c-s4vage/lookatme/issues/2) | Added documentation |
| bug | [40](https://github.com/d0c-s4vage/lookatme/issues/40) | Updated styling |
| bug | [42](https://github.com/d0c-s4vage/lookatme/issues/42) | Added code coverage |
| bug | [37](https://github.com/d0c-s4vage/lookatme/issues/37) | Added description to setup.py |
| bug | [39](https://github.com/d0c-s4vage/lookatme/issues/39) | Fixes pygments Urwid renderer |