Pin armadillo in 4.0 (#3652)

* Update meta.yaml to rename conda package to isis from isis3 (#3642)

* Pin armadillo in meta.yaml (#3650)

* Update meta.yaml to rename conda package to isis from isis3

* Pin anaconda to version 9.0 in meta.yaml so it will run without a missing shared libraries error.

* Actually pin armadillo to version 8.200.0 because 9 isn't needed and we know 8.200.0 works.

recipe/meta.yaml

@@ -46,7 +46,7 @@ requirements:
   build:
   - ale >=0.7.1
   - boost=1.68.0
-  - armadillo
+  - armadillo==8.200.0
   - blas
   - bullet=2.86.1=0
   - bz2file
@@ -102,7 +102,7 @@ requirements:
   run:
   - ale >=0.7.1
   - boost=1.68.0
-  - armadillo
+  - armadillo==8.200.0
   - blas
   - bullet=2.86.1=0
   - bz2file