Add external links on setup.py

PEP 508 is not supported (as explained in
pypa/pip#5566). We are adding this as a workonaround
until we publish on PyPI.

requirements.txt

@@ -4,4 +4,4 @@ requests
 appdirs
 PyYAML
 pyreadline>=2.1; sys_platform=='win32'
-git+ssh://git@github.com/quetz-al/quetzal-openapi-client.git#egg=quetzal-openapi-client
+git+https://github.com/quetz-al/quetzal-openapi-client.git#egg=quetzal-openapi-client

setup.py

@@ -5,14 +5,17 @@
 
 long_description = '...'
 dependencies = [
-    'quetzal-openapi-client @ https://github.com/quetz-al/quetzal-openapi-client/archive/master.zip#egg=quetzal-openapi-client',
+    'quetzal-openapi-client',
     'click',
     'backoff',
     'requests',
     'appdirs',
     'PyYAML',
     'pyreadline;platform_system=="Windows"',
 ]
+dependency_links = [
+    'https://github.com/quetz-al/quetzal-openapi-client/archive/master.zip#egg=quetzal-openapi-client'
+]
 
 setup_requires = dependencies[:]
 # extra_dependencies = []
@@ -42,7 +45,7 @@
             'quetzal-client = quetzal.client.cli.main:cli',
         ],
     },
-    # dependency_links=dependency_links,
+    dependency_links=dependency_links,
 )
 
 setup(**setup_args)