new testenv to check Opendaylight

add new test environment to check Opendaylight.

Change-Id: I267e8f663527610b11f4b4b196f303798c74721d

tox.ini

@@ -61,6 +61,7 @@ commands =
   neutron-db-manage --subproject networking-odl check_migration
   {[testenv:genconfig]commands}
   {[testenv:bashate]commands}
+  {[testenv:capitald]commands}
 whitelist_externals =
   bash
   mkdir
@@ -113,6 +114,26 @@ commands = bash -c "find {toxinidir}             \
          -print0 | xargs -0 bashate -v -iE006 -eE005,E042,E043"
 whitelist_externals = bash
 
+[testenv:capitald]
+usedevelop = False
+skip_install = True
+deps =
+# Check if "Opendaylight" word is in any file
+# Only "OpenDaylight" (with uppercase 'D') should be used
+commands = bash -c "! grep              \
+         --exclude-dir='.*'             \
+         --exclude-dir='cover'          \
+         --exclude-dir='__pycache__'    \
+         --exclude='tox.ini'            \
+         --exclude='ChangeLog'          \
+         --exclude='*.py'               \
+         --exclude='*.pyc'              \
+         --recursive                    \
+         --line-number                  \
+         Opendaylight                   \
+         {toxinidir}"
+whitelist_externals = bash
+
 [testenv:genconfig]
 deps = -r{toxinidir}/requirements.txt
 commands =