Deploy auto-completion scripts

MR !75 (merged) did not quite close #63 (closed) as the activation/deactivation scripts were not properly deployed. This should be fixed by this MR.

conda/meta.yaml

@@ -17,6 +17,7 @@ build:
     - python setup.py sdist --formats=zip
     {% endif %}
     - python setup.py install --single-version-externally-managed --record record.txt
+    - for CHANGE in "activate" "deactivate"; do mkdir -p "${PREFIX}/etc/conda/${CHANGE}.d"; cp "${RECIPE_DIR}/${CHANGE}.sh" "${PREFIX}/etc/conda/${CHANGE}.d/${PKG_NAME}_${CHANGE}.sh"; done
 
 requirements:
   host: