added multiline flag to collect_tasks RegEx: it allows to pass multiline ENV arguments
add license information to gemspec

this way we can get it when using rubygems.org API
Merge pull request #166 from jordimassaguerpla/master

add license information to the gemspec
Remove obsolete global var references.
Better error messages on tests.
All flog/flag rake tasks.
Improve silent/quiet/verbose tests.
Merge pull request #165 from ddnexus/master

Allow to pass multiline ENV-like arguments
Add test for multiline env variable.