fix a bug in writing out the value of cosang
change the default bin number
change the suffix of output files;fix the problem of counting in staticProps
BlockSnapshotManager is using reference counting now
bug fix in StaticProps
(1) adding #ifdef __RWSTD to make sun compiler happy (2) fix pair density calculation problem when two selections intersect with each other
default length for staticProps is 1/2 smallest length of first frame
fixed a bug in SimInfo::getCutoff()
maximum length defaults to the cutoff radius
adding dynamicProps
more work in StaticProps
change the filenames
adding GofRAngle
remove some useless files
staticProps in progress
adding GofR