publish src to npm as ace-code

[nightwing]

Issue #, if available:

Description of changes:

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[codecov]

Codecov Report

Merging #4881 (64ff68d) into master (23208f2) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #4881   +/-   ##
=======================================
  Coverage   85.73%   85.73%           
=======================================
  Files         539      539           
  Lines       40602    40602           
  Branches     6419     6419           
=======================================
  Hits        34812    34812           
  Misses       5790     5790           

Flag	Coverage Δ
unittests	85.73% <ø> (ø)

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[shepmaster]

Is there any further information to help us determine when we should be using ace-builds vs ace-code?

[andrewnester]

@shepmaster the general use case for ace-code is for developers who previously used the source code from Github directly
From README

or use requireJS to load contents of lib/ace as ace