close #79
use float instead of double in C data structure to further save the space. #79
update version
move save_gs and load_gs from flowWorkspace to flowInclubator #74
Merge branch 'trunk' into optimized
do the bits packing/unpacking before the standard boost serialization call. close #35
add versioned serialization for bits operation in the BOOLINDICE class #80
add versioned serialization for global bi-exponential transformation function in the GatingSet class #80
This reverts commit 270d31c41c310b3422997f4849db4957bf24c2df.