Moved md dependencies to python 3.7

requirements.txt

@@ -5,8 +5,8 @@ Pint
 ase==3.19.0
 setuptools
 scipy
-mdtraj==1.9.1
-mdanalysis==0.16.2
+mdtraj
+mdanalysis
 panedr==0.2
 parmed==3.0.0
 pandas

setup.py

@@ -34,8 +34,8 @@ def main():
             "pyyaml",
             "h5py",
             "hjson",
-            "mdtraj==1.9.1",
-            "mdanalysis==0.16.2"]
+            "mdtraj",
+            "mdanalysis"]
     )
 
 # Run main function by default