Add Tamil language

conf/locale/config.yaml

@@ -59,6 +59,7 @@ locales:
     - si  # Sinhala
     - sk  # Slovak
     - sl  # Slovenian
+    - ta  # Tamil
     - th  # Thai
     - tr_TR  # Turkish (Turkey)
     - uk  # Ukranian

lms/envs/common.py

@@ -622,6 +622,7 @@ LANGUAGES = (
     ('si', u'සිංහල'),  # Sinhala
     ('sk', u'Slovenčina'),  # Slovak
     ('sl', u'Slovenščina'),  # Slovenian
+    ('ta', u'தமிழ்'),  # Tamil
     ('th', u'ไทย'),  # Thai
     ('tr-tr', u'Türkçe (Türkiye)'),  # Turkish (Turkey)
     ('uk', u'Українська'),  # Ukranian