Merge pull request #535 from edx/will/ora-and-ease-version

Checkout ease and ora master branch instead of HEAD

playbooks/roles/ora/defaults/main.yml

@@ -12,14 +12,14 @@ ora_user: "ora"
 ora_nltk_data_dir: "{{ ora_data_dir}}/nltk_data"
 
 ora_source_repo: https://github.com/edx/edx-ora.git
-ora_version: 'HEAD'
+ora_version: 'master'
 ora_pre_requirements_file: "{{ ora_code_dir }}/pre-requirements.txt"
 ora_post_requirements_file: "{{ ora_code_dir }}/requirements.txt"
 
 ora_ease_venv_dir: "{{ ora_venv_dir }}"
 ora_ease_code_dir: "{{ ora_app_dir }}/ease"
 ora_ease_source_repo: https://github.com/edx/ease.git
-ora_ease_version: 'HEAD'
+ora_ease_version: 'master'
 ora_ease_pre_requirements_file: "{{ ora_ease_code_dir }}/pre-requirements.txt"
 ora_ease_post_requirements_file: "{{ ora_ease_code_dir }}/requirements.txt"