Merge pull request #14 from marado/master

avoid backticks, quote string, don't fail if dir exists
update LICENSE mentions; close #13
add Vagrant build environment
add file parse.tab.c to .gitignore
provision with shell script for MS Win host compat
Merge pull request #17 from dbohdan/master

Add a Vagrant build environment for provider VirtualBox
make map to JavaScript like. map keys should be strings only.
add y.output (yacc debug output) to .gitignore
Added Gitter badge
Merge pull request #23 from gitter-badger/gitter-badge

Add a Gitter chat badge to README.md
add more description of data-flow building in README.md; ref #22
Don't use bison-bridge
Merge pull request #27 from mattn/fix-bison-bridge

Don't use bison-bridge
Fix "make test". Add Streem example file.
Improve consistency in choice of indentation character.

Now using spaces consistently instead of the previous mix of spaces and a handful of tabs :-)
Merge pull request #35 from practicalswift/tabs-to-spaces

Improve consistency in choice of indentation character.
Change file extension to .strm in light of decision in issue #24.
Set up Travis so it runs `make` with both clang and gcc
Add a build status badge to the readme (using matz's repo)
Merge pull request #39 from nicolasmccurdy/travis

Set up Travis so it runs `make` with both clang and gcc