Update scripts for working with 64bit integers
Merge branch 'master' of https://github.com/ldbc/ldbc_socialnet_bm

Conflicts:
	ldbc_socialnet_dbgen/tools/scalefactor/minmaxmean_comment.R
	ldbc_socialnet_dbgen/tools/scalefactor/minmaxmean_likes.R
	ldbc_socialnet_dbgen/tools/scalefactor/minmaxmean_post.R
	ldbc_socialnet_dbgen/tools/scalefactor/transitivity.R