fix: Cleanup tests for `fullyConnected.compareFilterDeltas`

fix: Test `fullyConnected.compareFilterDeltas`

fix: Remove comment and `write()` call

fix: Test `convolution.predict`

fix: Add output tests for `compareInputDeltas`

fix: remove a fe unneeded variables, writing files, and turn off shorten results

fix: Update tests to include change in name and new `compareInputDeltas`

fix: Test description and add in the shorten tests as the others

fix: Test `convolution.compareBias`

fix: Start working on other layers, move compareFilters so more organized location

fix: Simplify tests, upgrade behaviour to use correct deltaZ and bump brain.js

fix: Test output of filters, initially failing

fix: Remove unneeded VolSpy

feat: Add travis config

fix: Delete debug logs