Add KDevelope rule

* KDevelope as an  IDE with Python support

kdev.yml

+- hosts: kdev
+  roles:
+      - kdev

roles/kdev/meta/main.yml

+---
+dependencies:
+  - { role: clients }

roles/kdev/tasks/kdevelop-python.yml

+---
+- name: install KDevelop with Python support
+  package: name=kdevelop-python state=latest
+  become: yes

roles/kdev/tasks/main.yml

+---
+- include: kdevelop-python.yml
+  tags: kdevelop

sites.yml

@@ -14,3 +14,5 @@
   tags: admin
 - include: latex.yml
   tags: latex
+- include: kdev.yml
+  tags: kdev