Fixed issues #614 and #683

[ygorelik]

• Fixes 'ietf-netconf-monitoring:get-schema' returns schema with escape sequences #614
• Fixes ydk doesn't seem to understand the "<" or ">" operations in the yang.  #683
• Fixes In General: YDK CRUD Service introduces HTML-Characters in .ydk/<IP-HOST-ADDRESS_PORT> yang-files  #692

[codecov]

Codecov Report

Merging #696 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #696   +/-   ##
=======================================
  Coverage   74.32%   74.32%           
=======================================
  Files         104      104           
  Lines       10535    10535           
  Branches     1472     1472           
=======================================
  Hits         7830     7830           
  Misses       2400     2400           
  Partials      305      305

---

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 26fbca6...b198cf6. Read the comment docs.

[ghost]

Looks good. Thanks! @ygorelik