Only write averages on demand + script renaming
Renamed everything from CountNormalizer to Rarefier
Test update
bc_get_info can now return count number
Changed info that one can get from bc_get_info script
Method renaming and small script fix

1/ Renamed method get_summaries (of communities) to get_summary (of metacommunity)
2/ Fixed bug where bc_summarize -taxo_dup was always activated
Summarize at different taxonomic levels in one step
Make script executable
Fixed issue where members without taxonomy were missing their description when summarizing by taxonomy
POD rephrasing