Update the version of tensorFrames

[lu-wang-dl]

• update tensorframes dependency version to 0.5.0

• remove flag TF_C_API_GRAPH_CONSTRUCTION

• modify some tol to pass the travis test

[codecov-io]

Codecov Report

Merging #153 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #153   +/-   ##
=======================================
  Coverage   85.37%   85.37%           
=======================================
  Files          34       34           
  Lines        1922     1922           
  Branches       41       41           
=======================================
  Hits         1641     1641           
  Misses        281      281

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[mengxr]

LGTM