start work on unittests command and test sample test file
add summary of number failed
Now rununits actually work properly with test and dist
Fix constant handling and empty else in if compilation
Skip unnecessary block+jump for empty else
Allow jump to use case fallthrough when the jump target is the next block
Make unconditional jump codegen lazy
Reorder blocks to allow more case fallthroughs
update docs after Suspensions PR
resolve conflicts
minor fixups after merge
wip: redo nrt
Make named files in the test/run directory

Can now create and run tests.
nrt now requires a name.  Will prefix test_ in front of the name.
indentation bug.
Add unit test template
Add deprecation warning to nrt
Move the deprecation message
Merge pull request #262 from bnmnetp/units

Numbered unit tests are now deprecated.
Merge branch 'master' of github.com:skulpt/skulpt
update contributing.md about unit-tests
a link to the unit test docs. and a TL;DR section