Insights project api side integration

* Extend scm credential type to support username and password for
  redhat portal accounts
* Update project update playbook to work with remote insights server

awx/main/migrations/0036_v311_insights.py

@@ -0,0 +1,24 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('main', '0035_v310_remove_tower_settings'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='project',
+            name='scm_type',
+            field=models.CharField(default=b'', choices=[(b'', 'Manual'), (b'git', 'Git'), (b'hg', 'Mercurial'), (b'svn', 'Subversion'), (b'insights', 'Red Hat Insights')], max_length=8, blank=True, help_text='Specifies the source control system used to store the project.', verbose_name='SCM Type'),
+        ),
+        migrations.AlterField(
+            model_name='projectupdate',
+            name='scm_type',
+            field=models.CharField(default=b'', choices=[(b'', 'Manual'), (b'git', 'Git'), (b'hg', 'Mercurial'), (b'svn', 'Subversion'), (b'insights', 'Red Hat Insights')], max_length=8, blank=True, help_text='Specifies the source control system used to store the project.', verbose_name='SCM Type'),
+        ),
+    ]