Trying to fix linker error
Fixing copy&paste problem
Removing purged examples...
Fixing regression caused by recent changes to callback handling in futures. Removing future::then(), disabling the API for resetting callbacks
Removing subdirectories from build system which have been moved to hpx_historic
Renaming license file to conform with github policies
Undo the rename of LICENSE_1_0.txt - every header file points to LICENSE_1_0.txt,
not LICENSE.txt