Add CentOS and debian support

tasks/main.yml

 ---
 # tasks file for mathematica
-- name: install S3 requirements
-  become: yes
-  apt:
-    state: latest
-    pkg:
-      - python3-boto
-      - python3-boto3
-      - python3-botocore
-      - python-boto
-      - python-boto3
-      - python-botocore
+- include: debian.yml tags=debian
+  when: ansible_os_family == 'Debian'
 
-- name: check that {{ mathematica_install_version }}.zip is not already downloaded
-  stat:
-    path: "/tmp/{{ mathematica_versions[mathematica_install_version]['url'] }}"
-  register: mathematica_bundle
-
-
-- name: Download {{ comsol_install_version }}.zip
-  amazon.aws.aws_s3:
-    access_key: "{{ aws_access_key }}"
-    secret_key: "{{ aws_secret_key }}"
-    bucket: 10282-70726cc2c34fcfe7d4325ef7ea151411
-    object: "/{{ mathematica_versions[mathematica_install_version]['url'] }}"
-    dest: "/tmp/"
-    mode: get
-    s3_url: https://s3.epfl.ch/
-    validate_certs: no
-  when: mathematica_bundle.stat.exists == false
-
-- name: Download {{ mathematica_install_version }}.zip & Unzip
-  unarchive:
-    dest: /tmp
-    src: "/tmp/{{ mathematica_versions[mathematica_install_version]['url'] }}"
-    remote_src: yes
-    extra_opts:
-      - -P
-      - "{{ mathematica_versions[mathematica_install_version]['password'] }}"
-
-- name: make mathematica installer executable
-  file:
-    path: "/tmp/{{ mathematica }}"
-    mode: "+x"
-
-- name: silently install mathematica
-  become: yes
-  command:
-    cmd: "./{{ mathematica }} -- -silent"
-    chdir: "/tmp"
+- include: centos.yml tags=centos
+  when: ansible_distribution == "CentOS"
\ No newline at end of file