update from lbmc/nextflow

CONTRIBUTING.md

README.md

doc/Makefile

doc/TP_computational_biologists.md

doc/available_tools.md

doc/building_your_pipeline.md

doc/getting_started.md

doc/nf_projects.md

src/.conda_envs/.conda_envs_dir_test

src/.conda_envs/Python_2.7.13

src/.conda_envs/Python_3.6.1

src/.conda_envs/R_3.3.1

src/.conda_envs/R_3.4.3

src/.conda_envs/axtchain_377

src/.conda_envs/bcftools_1.7

src/.conda_envs/bedtools_2.25.0

src/.conda_envs/bioawk_1.0

src/.conda_envs/biopython_1.74

src/.conda_envs/bowtie2_2.3.2

src/.conda_envs/bowtie2_2.3.4.1