[CI] use install scripts from py-ipfs-http-client

[luizirber]

• Is it mergeable?
• make test Did it pass the tests?
• make coverage Is the new code covered?
• Did it change the command-line interface? Only additions are allowed
  without a major version increment. Changing file formats also requires a
  major version number increment.
• Was a spellchecker run on the source code and documentation after
  changes were made?

[codecov]

Codecov Report

Merging #1068 into master will increase coverage by 9.24%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1068      +/-   ##
==========================================
+ Coverage   83.30%   92.55%   +9.24%     
==========================================
  Files          99       74      -25     
  Lines        8885     5590    -3295     
==========================================
- Hits         7402     5174    -2228     
+ Misses       1483      416    -1067     

Flag	Coverage Δ
#rusttests	?

Impacted Files	Coverage Δ
src/core/src/wasm.rs
src/core/src/index/search.rs
src/core/src/ffi/mod.rs
src/core/src/ffi/utils.rs
src/core/src/index/bigsi.rs
src/core/src/sketch/ukhs.rs
src/core/src/lib.rs
src/core/src/ffi/cmd/compute.rs
src/core/src/index/sbt/mod.rs
src/core/tests/minhash.rs
... and 16 more

---

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[luizirber]

@ctb merge to fix the travis errors in #1059