Changing paramCommunicator to ioCommunicator.
Removing .*.swp file that was added accidentally.
Fixed bug in DdMd::PairPotential::allocate()
Merge branch 'devel' into serialize
Made ParamComponent a subclass of MpiFileIo.
First version of BroadcastLoader class.
Updated MpiFileIoTest due to changes in MpiFileIo
Merge branch 'devel' into serialize

Conflicts:
	src/util/param/FArrayParam.h
	tests/util/param/mpi/MpiParamCompositeTest.h
Work on Array and Matrix communication functions.
Added test for Util::MpiLoader.
Commenting out save/load methods in DdMd potentials (temporarily).
Finished testing MpiLoader class.
Simplified interface for MpiLoader::load() methods.