Remove installation of php-zip and install composer packages from source

ansible/roles/composer/tasks/main.yml

@@ -1,5 +1,10 @@
 - name: Install Composer
   shell: curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer creates=/usr/local/bin/composer
 
+- name: Increase process timeout
+  shell: composer --global config process-timeout {{ composer.timeout }}
+
 - name: Install packages
-  shell: cd /vagrant && composer install --optimize-autoloader
+  shell: composer install --optimize-autoloader --prefer-source
+  args:
+   chdir: /vagrant

ansible/vars/all.yml

@@ -19,10 +19,6 @@ php:
       - php7.0-json
       - php7.0-xml
       - php7.0-mbstring
-    pecl_packages: [php-zip]
 
 xdebug:
     install: '1'
-
-composer:
-    timeout: '2000'