nuScenes map expansion pack (nutonomy#172)

* Initial commit

* Added missing descartes requirement

* Overhauled tutorial

* Renamed map files

* Fix wrong file extension

* Renamed map extension to map expansion

* Fix wrong import, clear outputs

* Fixes for queenstown map

* Overhauled map tutorial

* Fixed wrong output message

* Added detailed information on map origin and size

* Reorganized readme and faq for map expansion pack

* Rewording

* Minor fixes to the map tutorial

* Change order of the getting started bullet points

* Binary map mask api and visualization example (nutonomy#181)

* rename map_graph to map_api

* wip: rendering

* rendering

* map api done

* visualization example

* Renamed MapAPIExplorer to NuscenesMapExplorer

* Reformatting

* Reformatting

* Undo spacing bug

* Fix missing return statement

* Added n_rows as argument

* Pass on n_rows argument

* Improved tutorial visualization

* Updated naming conventions, first extract raw data then visualize, changed order

* Rename `get_map_patch_mask` to `get_map_mask` and change output format to be a stacked numpy array

* Added instructions for rotated map patches

* Updated typing

* Plot whole map by default

* Typo in the map names

* Round canvas size

* Swapped order of arguments

* Handle case where canvas_size is not given to render_map_mask

* Started on semantic prior check

* Fixed bug with swapped height/width

* More experiments on reconstructing semantic prior

* Removing comparison to semantic_prior

* Delete test.py

Loosen PIP requirements (nutonomy#136)

* Make requirements less strict

* Added clarification on file name, minor corrections

preparation for pip package v1.0.0 (nutonomy#96)

Added disclaimer (nutonomy#58)

* Added disclaimer
* Added actual warning in the code

setup.py for PIP packages (nutonomy#27)

* Added setup.py for pip installation

* Updated version