clustermq 0.8.5

• Added experimental support for parallel foreach backend (#83)
• Moved templates to package inst/ directory (#85)
• Added send_call to worker to evaluate arbitrary expressions (drake#501; #86)
• Option clustermq.scheduler is now respected if set after package load (#88)
• System interrupts are now handled correctly (rzmq#44; #73, #93, #97)
• Number of workers running/total is now shown in progress bar (#98)
• Unqualified (short) host names are now resolved by default (#104)