[hacker-guide] Fix typo.
[dfmc] Remove unused thread-property-definer.
Merge pull request #743 from waywardmonkeys/remove-unused-macro

[dfmc] Remove unused thread-property-definer.
[dfmc] Remove unused optimization level stuff.

This hasn't been used since 1997 or earlier.
Merge pull request #744 from waywardmonkeys/remove-optimization-level-constants

[dfmc] Remove unused optimization level stuff.
[duim] Remove duim-gifs.

This was never completed or used.
Add 'Running tests' section to README.
[doc,library-ref] Provide an example of finalization.

Fixes #583.
[variable-search] Cleanup whitespace.
[variable-search] Use concatenate instead of format-to-string.
Merge pull request #745 from waywardmonkeys/remove-duim-gifs

[duim] Remove duim-gifs.
Fix compiler warnings and one crash in llvm-test-suite.
Merge pull request #748 from waywardmonkeys/remove-format-to-string-usage

Remove format to string usage
[variable-search] Remove unused imports.
Merge pull request #742 from wvdschel/master

Various Debian packaging improvements.
Merge pull request #750 from cgay/llvm-test-suite

Fix compiler warnings and one crash in llvm-test-suite.
Create simple-format module, move format-to-string.

This moves the format-to-string binding from common-extensions
to a simple-format module which will be replacing simple-io.
Project wizard knows about simple-format instead of simple-io.
[make-dylan-app] No longer need to exclude format-to-string.
Merge pull request #751 from waywardmonkeys/move-format-to-string

Move format-to-string