srand() update

Conflicts:
	tests/unit/parallel/adjacentfind_binary.cpp
	tests/unit/parallel/copyif.cpp
change tab to space

Conflicts:
	tests/unit/parallel/adjacentfind.cpp
	tests/unit/parallel/adjacentfind_binary.cpp
test units updated with returned_from_algorithm

Conflicts:
	tests/unit/parallel/adjacentfind_binary.cpp
	tests/unit/parallel/foreach.cpp
	tests/unit/parallel/foreachn.cpp
indent inconsistency fix & command line option added in main()

Conflicts:
	tests/unit/parallel/adjacentfind.cpp
desc_commandline was added to HPX_TEST_EQ_MSG as an parameter for all test units
Fixing copy & paste error
Resolving merge conflicts