We're in 2018, websites should be in https (#2311)

This is a first batch, I might do more in the future

src/apps.json

@@ -2215,7 +2215,7 @@
       ],
       "icon": "DTG.png",
       "implies": "Mono.net",
-      "website": "http://www.dtg.nl"
+      "website": "https://www.dtg.nl"
     },
     "Dancer": {
       "cats": [
@@ -2276,7 +2276,7 @@
         "X-Powered-By": "Darwin"
       },
       "icon": "Apple.svg",
-      "website": "http://opensource.apple.com"
+      "website": "https://opensource.apple.com"
     },
     "DataLife Engine": {
       "cats": [
@@ -2293,7 +2293,7 @@
       "meta": {
         "generator": "DataLife Engine"
       },
-      "website": "http://dle-news.ru"
+      "website": "https://dle-news.ru"
     },
     "DataTables": {
       "cats": [
@@ -2313,7 +2313,7 @@
         "X-Powered-By": "(?:Debian|dotdeb|(potato|woody|sarge|etch|lenny|squeeze|wheezy|jessie|stretch|buster|sid))\\;version:\\1"
       },
       "icon": "Debian.png",
-      "website": "http://debian.org"
+      "website": "https://debian.org"
     },
     "DedeCMS": {
       "cats": [
@@ -2358,7 +2358,7 @@
         "PHP",
         "Apache"
       ],
-      "website": "http://www.directadmin.com"
+      "website": "https://www.directadmin.com"
     },
     "Discourse": {
       "cats": [
@@ -2372,7 +2372,7 @@
       "meta": {
         "generator": "Discourse(?: ?/?([\\d.]+\\d))?\\;version:\\1"
       },
-      "website": "http://discourse.org"
+      "website": "https://discourse.org"
     },
     "Discuz! X": {
       "cats": [
@@ -2402,7 +2402,7 @@
       "html": "<div[^>]+id=\"disqus_thread\"",
       "icon": "Disqus.svg",
       "script": "disqus_url",
-      "website": "http://disqus.com"
+      "website": "https://disqus.com"
     },
     "Django": {
       "cats": [
@@ -2415,7 +2415,7 @@
       "html": "(?:powered by <a[^>]+>Django ?([\\d.]+)?|<input[^>]*name=[\"']csrfmiddlewaretoken[\"'][^>]*>)\\;version:\\1",
       "icon": "Django.png",
       "implies": "Python",
-      "website": "http://djangoproject.com"
+      "website": "https://djangoproject.com"
     },
     "Django CMS": {
       "cats": [
@@ -2423,7 +2423,7 @@
       ],
       "icon": "Django CMS.png",
       "implies": "Django",
-      "website": "http://django-cms.org"
+      "website": "https://django-cms.org"
     },
     "Dojo": {
       "cats": [
@@ -2435,7 +2435,7 @@
       },
       "icon": "Dojo.png",
       "script": "([\\d.]+)/dojo/dojo(?:\\.xd)?\\.js\\;version:\\1",
-      "website": "http://dojotoolkit.org"
+      "website": "https://dojotoolkit.org"
     },
     "Dokeos": {
       "cats": [
@@ -2455,7 +2455,7 @@
       "meta": {
         "generator": "Dokeos"
       },
-      "website": "http://dokeos.com"
+      "website": "https://dokeos.com"
     },
     "DokuWiki": {
       "cats": [
@@ -2469,7 +2469,7 @@
       "meta": {
         "generator": "^DokuWiki( Release [\\-\\d]+)?\\;version:\\1"
       },
-      "website": "http://www.dokuwiki.org"
+      "website": "https://www.dokuwiki.org"
     },
     "Dotclear": {
       "cats": [