Merge branch 'master' of github.com:chapel-lang/chapel into docs-assoc-spec
Add more source highlighting for the 'with' keyword
Removing reference to spec version
Update intro on "what is Chapel"
Update README.extern with regard to c_string.

Remove any indications that Chapel strings and c_strings can be
interchanged, as it is not pertinent since we have mechanisms to avoid
doing so already.
Merge branch 'master' of github.com:chapel-lang/chapel into test
Merge pull request #525 from noakesmichael/spec-overview

Update intro on "what is Chapel"

The old intro was short and focussed on Cray as the developer.  Replaced with text from
 http://chapel.cray.com/overview.html

Reviewed by Lydia
Merge pull request #527 from sungeunchoi/test

Update README.extern with regard to c_string.

Remove any indications that Chapel strings and c_strings can be
interchanged, as it is not pertinent since we have mechanisms to avoid
doing so already.

[Reviewed by Mike]
Add note about unloading craype-hugepages modules.
Commenting out code that will halt
Merge branch 'master' of github.com:chapel-lang/chapel into docs-assoc-spec
Merge pull request #529 from benharsh/docs-assoc-spec

This line was intended to demonstrate code that would halt, but should have been commented out for testing purposes.
Replace "global" variable with "module level" variable consistently within the document.
Merge branch 'master' of github.com:chapel-lang/chapel into test
Merge pull request #513 from Kyle-B/kb-highlight-with

Add more source highlighting for the 'with' keyword
Suppress fileIO.chpl primer for KNC.

IO is not (yet) understood with KNC.
Suppress pidigits.chpl when testing LLVM.

GMP and LLVM do not (yet) work together.
Call ./nightly with llvm suppressions for llvm testing.
Setup common-knc.bash to use suppressions.

Vanilla intel (non PrgEnv) tests do not run yet. But this will help if they
ever do.
Merge pull request #528 from sungeunchoi/test

Add note about unloading craype-hugepages modules.