Simplify async_colocated, fixing get_colocation_id_test
Merge pull request #1128 from STEllAR-GROUP/action_future_args

Action future args
Adding missing std::move to dataflow
Fixed wrong result type in unwrapped internals causing copies
Function simplification
Added unique_function
Use unique_function to support movable-only arguments
Use unique_function in executors
Fix for futures serialization issues
added default performance counters in manual
Merge pull request #1130 from STEllAR-GROUP/unique_function

Unique function
Restructuring examples to make them more uniform
Making 'current' consistently const
Fix runtime problem in stencil_3
More work on example 8, adding lcos::local::receive_buffer
Using hpx::launch::async with dataflow()
Fix code to print timing
Adding hpx::lcos::gather(), using this in example 8, minor change to and_gate
Adding simplest possible openmp pragmas to example 1 and 3
Cosmetics (suppress warnings)