checking in alpha version of bluegene plugin

src/plugins/select/bluegene/Makefile.am

src/plugins/select/bluegene/Manifest

src/plugins/select/bluegene/README

src/plugins/select/bluegene/README.dev

src/plugins/select/bluegene/bgl_switch_connections.c

src/plugins/select/bluegene/bgl_switch_connections.h

src/plugins/select/bluegene/bluegene.c

src/plugins/select/bluegene/bluegene.conf

src/plugins/select/bluegene/bluegene.h

src/plugins/select/bluegene/partition_sys.c

src/plugins/select/bluegene/partition_sys.h

src/plugins/select/bluegene/select_bluegene.c