Implement gkernel: Part 2

[water111]

The implements almost all of the missing stuff in gkernel. Missing is

• A few tree functions that are never used
• The dead pool list
• xmm's on suspend and resume (the entire runtime / compiler should probably be reviewed for this...)

There is an extremely basic test which runs two processes that suspend in a loop. It should catch very basic issues with dead-pool-heap, set-to-run, deactivate, and thread suspend and resume. It does not check these particularly thoroughly and better tests are needed to make sure registers/stacks aren't being messed up.

We also do not test:

• Process Initialization with run-function-in-process
• Anything with throw / catch
• Anything with state (need gstate.gc first)
• Dead pool heap compact and relocate (would at least need relocate.gc for the relocate method of process)
• Temporary threads for trans and post
• Process search

The plan is to improve multiple rlets in the same function and build a new static data "compiler" for the compiler and then address these issues. For now this test is enough to make sure that the kernel is at least mostly working.

[coveralls]

Pull Request Test Coverage Report for Build 409658370

• 43 of 48 (89.58%) changed or added relevant lines in 4 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.09%) to 81.232%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
goalc/compiler/Compiler.cpp	10	12	83.33%
test/goalc/test_goal_kernel.cpp	27	30	90.0%

Totals
Change from base Build 404472967:	0.09%
Covered Lines:	17785
Relevant Lines:	21894

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💛 - Coveralls