update metaphlan3 and add strainphlan

Related to #21 (closed)

Closes #22 (closed)

https://github.com/biobakery/MetaPhlAn/wiki/StrainPhlAn-3.0

tools/eggnogmapper2/annotate/example_usage/config.yaml

 snakefiles:
-    eggnogmapper2_annotate: /pasteur/projets/policy01/Atm/snakemake/tools/eggnogmapper2/annotate/Snakefile
+    eggnogmapper2_annotate: /pasteur/zeus/projets/p02/metasig/gitlab/snakemake/tools/eggnogmapper2/annotate/Snakefile
 
 input_dir: /pasteur/projets/policy01/Atm/kenzo/sandbox/20200210_test_snakemake/test_output/eggnogmapper2/diamond/
 output_dir: /pasteur/projets/policy01/Atm/kenzo/sandbox/20200210_test_snakemake/test_output