Move 2012 constructors proposal to a subdirectory, for archival.
Provide a framework for the new constructors proposal.
Merge branch 'specAddSpecialFunctions' into updateConstructorProposal

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Checkpoint: Draft of current behavior for class and record variable initialization.
Forall intents - the initial implementation.
Added sections for scalar and tuple variable initialization.
Complete first draft of revised constructors proposal.
Add parallel execution of make to lots of testing scripts.
Do not use parallel execution when calling `make check`.

start_test breaks because the backend C build (inside chpl compiler) calls
make. However, when that make starts up, it assumes it is a submake and
attempts to communicate with a job server that does not exist. There is
probably some way to fix that (one thought is to set .NOTPARALLEL in the
Makefile.exe), but it is simple enough to call regular make with parallel
execution and then make a second call to make check.
Completed description of status quo initialization for all types.
First editing pass.
Merged chapel-lang/master
Add task table and usage appendix.
Merge branch 'para-make' of github.com:thomasvandoren/chapel into test-with-para-build
Merge branch 'master' of github.com:chapel-lang/chapel into test-with-para-build

Conflicts:
	util/cron/nightly
	util/cron/test-cray-xc-knc-default-examples.bash
Merge branch 'master' of github.com:chapel-lang/chapel into test-with-para-build
Make the 2012 proposal compile in its new location.
Finish Changes; start Examples.
Merge branch 'master' of github.com:chapel-lang/chapel into test-with-para-build
Improve error handling in nightly when CHPL_NIGHTLY_LOGDIR is not set.

* Report error and exit with non-zero code if CHPL_NIGHTLY_LOGDIR is not set
  (or empty) in -cron mode.
* Try to create the logdir, if it does not exist already (for both -cron and
  -debug modes).
* Check that directory is accessible in both -cron and -debug modes.

Some of these things were already done in -debug mode.