Updated Phonetisaurus install script to a working repository

[danijel3]

Solution to issue #4961

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[danpovey]

Will merge. Test failure seems unrelated, failing low output below.

8	1
FST after converting is:
0	1	1	1	0.75,2
0	2	0	0	0.25,1
1	3	0	0	0,
1	4	2	2	0.5,
1	5	0	0	0.25,2
1	6	0	0	0,1
2	3	0	0	0,1
2	6	2	2	0,
2	1,
3	5	1	1	0.75,
3	7	2	2	0,
3	5	1	1	0.25,2
3	5	2	2	0.5,2
4	5	1	1	0.25,1
4	7	0	0	0.25,2
5	7	1	1	0.25,2
5	0	1	1	0.25,
6	8	0	0	0.25,2
6	2	0	0	0.5,1
6	2	0	0	0,2
6	2	0	0	0.5,2
7	2	0	0	0,
7	7	1	1	0.5,1
8	1	1	1	0.5,1
8	5	1	1	0.5,2
8	6	0	0	0,
FST after back conversion is:
0	1	2	1	0.75
0	2	1	0	0.25
1	3	0	0	0
1	4	0	2	0.5
1	5	2	0	0.25
1	6	1	0	0
2	3	1	0	0
2	6	0	2	0
2	1
3	5	0	1	0.75
3	7	0	2	0
3	5	2	1	0.25
3	lattice-utils-test: lattice-utils-test.cc:105: void fst::TestShortestPath() [with Weight = fst::LatticeWeightTpl<double>; Int = int]: Assertion `ApproxEqual(ShortestDistance(cfst), ShortestDistance(nbest_fst_1b))' failed.