add satpy to our buildbucket

buildbucket/buildbucket_environment.yaml

@@ -16,8 +16,15 @@ dependencies:
   - setuptools
   - xarray
   - zarr
+  # satpy dependencies:
   - configobj
   - pykdtree
   - pyresample
   - trollsift
-  - trollimage
\ No newline at end of file
+  - trollimage
+  - shapely
+  - pip:
+    - git+https://github.com/deeplycloudy/lmatools.git@minvaluegrids
+    - git+https://github.com/deeplycloudy/stormdrain.git
+    - git+https://github.com/deeplycloudy/glmtools.git@master
+    - git+https://github.com/pytroll/satpy.git@feature-scmi-multivar
\ No newline at end of file