Add say support (using espeak) to linux platforms.
Remove global system variable and add support for Windows.
version bump to fix ms dep
fix travis specs, frendlier unix env
Revert "Update README.md"

This reverts commit 856cbe5b7d158f49b14a0a48e5e85a40f748a565.
readme: testing deps
Merge pull request #131 from Eloff/master

Add say support for linux using espeak
v1.8.3