Add utility files for packaging

.travis.yml

+language: python
+python:
+  - 3.6
+  - 3.7
+  - 3.8
+
+# Build only tagged commits
+if: tag IS present
+
+before_install:
+  - wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh
+  - bash miniconda.sh -b -p $HOME/miniconda
+  - export PATH="$HOME/miniconda/bin:$PATH"
+  - conda config --append channels conda-forge
+  - conda config --set always_yes yes
+  - conda config --set anaconda_upload no
+
+install:
+  - conda update -q conda
+  - conda install -q python=$TRAVIS_PYTHON_VERSION conda-build anaconda-client
+
+script:
+  - conda build conda-recipe
+
+deploy:
+  provider: script
+  script: anaconda -t $ANACONDA_TOKEN upload $HOME/miniconda/conda-bld/**/pyzebra-*.tar.bz2
+  on:
+    branch: master
+    tags: true
+
+notifications:
+  email: false

conda-recipe/build.sh

+#!/bin/bash
+$PYTHON setup.py install --single-version-externally-managed --record=record.txt

conda-recipe/meta.yaml

+{% set data = load_setup_py_data() %}
+
+package:
+  name: pyzebra
+  version: {{ data['version'] }}
+
+source:
+  path: ..
+
+build:
+  number: 0
+  entry_points:
+    - pyzebra = pyzebra.cli:main
+
+requirements:
+  build:
+    - python
+    - setuptools
+  run:
+    - python
+    - numpy
+    - scipy
+    - h5py
+    - bokeh
+    - lmfit
+    - uncertainties
+
+
+about:
+  home: https://github.com/paulscherrerinstitute/pyzebra
+  summary: {{ data['description'] }}
+  license: GNU GPLv3
+  license_file: LICENSE