fix more unused variable warnings
Restructuring examples to make them more uniform
Making 'current' consistently const
Fix runtime problem in stencil_3
Fixing gcc 4.4 compilation error
Simplify async_colocated, fixing get_colocation_id_test
Tests for using futures as arguments to actions
Moved invoke_when_ready to a detail namespace
Refactored invoke_when_ready callback to be its shared state
More work on example 8, adding lcos::local::receive_buffer
Merge branch 'action_future_args' into 1d_stencil_examples
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
Adding missing std::move to dataflow
Fixed wrong result type in unwrapped internals causing copies
Using hpx::launch::async with dataflow()
Fix code to print timing
Function simplification
Added unique_function