Updating configuration (#197)

#### Added

- [ACME] Display warning about sudo usage when issuing certificate with DNS API validation (require `sudo -E`)

#### Changed

- [ACME] Resolve domain IP over HTTPS with Cloudflare DNS Resolver
- [CORE] Cement Framework updated to v2.10.2
- [SITE] database name = 0 to 16 characters from the site name + 4 randomly generated character
- [SITE] database user = 0 to 12 characters from the site name + 4 randomy generated character
- [STACK] Improve sysctl tweak deployment

#### Fixed

- [SITE] https redirection missing on subdomains sites
- Issues with digitalocean mariadb repository
- Cement Framework output handler issues
- [CLEAN] check if Nginx is installed before purging fastcgi or opcache

tests/cli/18_test_site_create.py

@@ -0,0 +1,50 @@
+from wo.utils import test
+from wo.cli.main import WOTestApp
+
+
+class CliTestCaseSiteCreate(test.WOTestCase):
+
+    def test_wo_cli(self):
+        with WOTestApp as app:
+            app.run()
+
+    def test_wo_cli_site_create_html(self):
+        with WOTestApp(argv=['site', 'create', 'example1.com',
+                             '--html']) as app:
+            app.config.set('wo', '', True)
+            app.run()
+
+    def test_wo_cli_site_create_php(self):
+        with WOTestApp(argv=['site', 'create', 'example2.com',
+                             '--php']) as app:
+            app.run()
+
+    def test_wo_cli_site_create_mysql(self):
+        with WOTestApp(argv=['site', 'create', 'example3.com',
+                             '--mysql']) as app:
+            app.run()
+
+    def test_wo_cli_site_create_wp(self):
+        with WOTestApp(argv=['site', 'create', 'example4.com',
+                             '--wp']) as app:
+            app.run()
+
+    def test_wo_cli_site_create_wpsubdir(self):
+        with WOTestApp(argv=['site', 'create', 'example5.com',
+                             '--wpsubdir']) as app:
+            app.run()
+
+    def test_wo_cli_site_create_wpsubdomain(self):
+        with WOTestApp(argv=['site', 'create', 'example6.com',
+                             '--wpsubdomain']) as app:
+            app.run()
+
+    def test_wo_cli_site_create_wpfc(self):
+        with WOTestApp(argv=['site', 'create', 'example8.com',
+                             '--wpfc']) as app:
+            app.run()
+
+    def test_wo_cli_site_create_wpsc(self):
+        with WOTestApp(argv=['site', 'create', 'example9.com',
+                             '--wpsc']) as app:
+            app.run()