Update build requirements for swig, numcodecs, and fastparquet (#63)

Author: hoodmane

packages/fastparquet/meta.yaml

@@ -4,9 +4,11 @@ package:
   top-level:
     - fastparquet
 requirements:
+  host:
+    - numpy
   run:
-    - cramjam
     - numpy
+    - cramjam
     - pandas
     - fsspec
     - packaging

packages/numcodecs/meta.yaml

@@ -14,6 +14,8 @@ build:
     export DISABLE_NUMCODECS_SSE2=1
     export DISABLE_NUMCODECS_AVX2=1
 requirements:
+  host:
+    - numpy
   run:
     - numpy
     - msgpack

packages/swiglpk/meta.yaml

@@ -16,6 +16,8 @@ build:
 requirements:
   host:
     - glpk
+  executable:
+    - swig
 about:
   home: https://github.com/opencobra/swiglpk
   PyPI: https://pypi.org/project/swiglpk/