Download Built-in model parameters from ASE_ANI (#481)

* download resources from ASE_ANI

* update gitignore

* get resources with request

* fix flke8

* rm svn checkout for resources

* update

* fix flake8

torchani/resources/ani-1ccx_8x/train6/networks/ANN-N.nnf-l3.bparam

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torchani/resources/ani-1ccx_8x/train6/networks/ANN-N.nnf-l4.bparam

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torchani/resources/ani-1ccx_8x/train6/networks/ANN-O.nnf-l4.bparam

-`J
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torchani/resources/ani-1ccx_8x/train6/rHCNO-5.2R_16-3.5A_a4-8.params

-TM = 1
-Rcr = 5.2000e+00
-Rca = 3.5000e+00
-EtaR = [1.6000000e+01]
-ShfR = [9.0000000e-01,1.1687500e+00,1.4375000e+00,1.7062500e+00,1.9750000e+00,2.2437500e+00,2.5125000e+00,2.7812500e+00,3.0500000e+00,3.3187500e+00,3.5875000e+00,3.8562500e+00,4.1250000e+00,4.3937500e+00,4.6625000e+00,4.9312500e+00]
-Zeta = [3.2000000e+01]
-ShfZ = [1.9634954e-01,5.8904862e-01,9.8174770e-01,1.3744468e+00,1.7671459e+00,2.1598449e+00,2.5525440e+00,2.9452431e+00]
-EtaA = [8.0000000e+00]
-ShfA = [9.0000000e-01,1.5500000e+00,2.2000000e+00,2.8500000e+00]
-Atyp = [H,C,N,O]

torchani/resources/ani-1ccx_8x/train6/sae_linfit.dat

-H,0=-0.5991501324919538
-C,1=-38.03750806057356
-N,2=-54.67448347695333
-O,3=-75.16043537275567