Igor Minar 7fc1ee67d1 build: speed up karma run by passing in list of dist files that changed
This change causes the build system to write a log file into the tmp folder after each build.
This file contains command line arguments that tell karma about all the added/changed/removed files
from the last build. Karma can then use this list instead of doing internal globbing which can be
very expensive especially for hte dart builds that contain thousands of files.

Closes #2437
2015-06-30 11:53:47 -07:00
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