Update README

README

+WARNING: this is the legacy version of Meteor. 
+We strongly encourage using the new version of Meteor (aka Meteor 2) available here: https://github.com/metagenopolis/meteor
+
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 Release notes for Meteor Version 3.2.1
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@@ -27,61 +30,9 @@ In the package, files are organized as follows:
 Installation notes for Meteor Version 3.2.1
 ======================================================================
 
- This file describes the building and installation instructions from the SOURCES for UNIX like systems.
- NB: Building and running Meteor on MS Windows system has not been tested,
-     but should easily be achieved as Meteor uses standard C++ code without any exotic dependencies.
-
-Supported Systems
-=================
-
- Will work in most modern GNU/Linux, and macOS (10.5 or later with Intel processor) systems.
-
-Building and running pre-requisite
-==================================
-
- 1. Compiler collections with c++98 support (e.g. g++ or clang++)
-
- 2. Ruby interpreter version 1.9 or later, with "iniparse" rubygem module version 1.5.0 or later
-
- 3. bowtie2 version 2.3.5.1 or later, and bowtie 1.2.3 or later if you plan to use color space SOLiD data.
-
-Installation
-============
-
- On a GNU/Linux system, we recommand to have g++, make and ruby installed via the package manager of your
- distribution.
- e.g.:
-
-    on Debian/Ubuntu plateforms (as root or sudoer):
-    apt-get install make g++ ruby
-
-    on Redhat/Fedora/CentOS plateforms (as root or sudoer):
-    yum install make gcc-c++ ruby
-
- - To build Meteor, open a terminal and execute the following commands:
-
-    cd meteor-pipeline/src/
-    make
-
- This will create two binaries (meteor-counter and meteor-profiler) in meteor-pipeline/src/build/
-
- - Now copy the meteor pipeline executables in a folder present in the PATH environment variable.
-
-    e.g. as root or sudoer (this will install meteor for all user):
-    cp build/meteor-counter build/meteor-profiler ../meteor.rb /usr/local/bin
-
-    Or as common user (every user of meteor will have to do this):
-    [ ! -d ~/bin ] && mkdir ~/bin
-    cp build/meteor-counter build/meteor-profiler ../meteor.rb ~/bin
-
- - Then install the ruby module iniparse (>= 1.5.0).
-
-    As root or sudoer:
-    gem install iniparse
-
-    As common user (every user of meteor will have to do this):
-    gem install iniparse --user-install
-
+Meteor can be installed with conda:
+conda create -n meteor_env meteor-legacy -c fplazaonate -c bioconda -c conda-forge
+conda activate meteor_env
 
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 Usage of Meteor Version 3.2.1