make thread_stack_size an option
with 180 as default, some installations will result in segmentationfault
if the stack size per thread is not increased.
Update module name and URLs in Modulefile after rebranding
Merge remote-tracking branch 'relekang/thread_stack_size'
Migrate templates to Puppet 3.x syntax
Update specs after adding thread_stack_size setting
Update module version and drop support for Puppet 2.6
Update URLs and copyright notice in README.md
Enable management of cassandra service
Fix build error in 2.6