0.8.0

Features:

• :env can now be specified in a role definition (#213)
• booleg.invoke can now accept a deploy environment (#221)
• BOOTLEG_ENV is now set for all remote commands (#219)
• release_workspace option can now be defined on a role definition in order to skip the local release download step (#117)
• build_type can now be configured to override the default remote build behavior (#193/#3235)
• Complete cleanup and reorganization of most documentation

Fixes:

• Refactored output verbosity checks (#215)
• Cleaned up test warning output (#217)
• Add missing assertions to some tests (#230)