[Travis] Add Raytune pkg install to the CRON

[stevemandala]

Replacing #243

[codecov-io]

Codecov Report

Merging #250 into master will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #250      +/-   ##
==========================================
+ Coverage    93.4%   93.43%   +0.02%     
==========================================
  Files         256      256              
  Lines       16850    16911      +61     
==========================================
+ Hits        15739    15800      +61     
  Misses       1111     1111

Impacted Files	Coverage Δ
ax/storage/json_store/tests/test_json_store.py	98.42% <0%> (-0.03%)	⬇️
ax/storage/json_store/decoder.py	99.42% <0%> (-0.01%)	⬇️
ax/storage/sqa_store/tests/test_sqa_store.py	99.62% <0%> (-0.01%)	⬇️
ax/storage/json_store/encoders.py	100% <0%> (ø)	⬆️
ax/storage/sqa_store/encoder.py	100% <0%> (ø)	⬆️
...x/modelbridge/tests/test_percentile_y_transform.py	100% <0%> (ø)	⬆️
ax/storage/sqa_store/sqa_classes.py	100% <0%> (ø)	⬆️
ax/storage/json_store/decoders.py	100% <0%> (ø)	⬆️
ax/service/tests/test_ax_client.py	99.73% <0%> (ø)	⬆️
ax/service/ax_client.py	100% <0%> (ø)	⬆️
... and 13 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 3240e32...e885092. Read the comment docs.