2014-09-23 Fred Gleason <fredg@paravelsystems.com>
	* Added include for 'unistd.h' in 'lib/config.cpp' to fix broken
	compilation under RHEL 7.
	* Added includes for 'sys/types.h' and 'unistd.h' in 'aman/aman.cpp'
	to fix broken compilation under RHEL 7.
	* Added include for 'unistd.h' in 'lib/connection.cpp' to fix broken
	compilation under RHEL 7.
	* Added include for 'unistd.h' in 'amand/generate_snapshot.cpp' to
	fix broken compilation under RHEL 7.
	* Fixed a buffer overflow error in 'amand/pingmonitor.cpp'.
	* Added include for 'unistd.h' in 'amand/restore_snapshot.cpp' to
	fix broken compilation under RHEL 7.