Specifying branch for owm clone

- Temporary until c302 is not using the project directly

Author: mwatts15

.travis.yml

@@ -19,7 +19,7 @@ before_install:
 
 install:
 - pip install .
-- owm clone https://github.com/openworm/OpenWormData.git
+- owm clone https://github.com/openworm/OpenWormData.git --branch owmeta
 - |
   if [ $BUNDLE_TESTS ] ; then
     owm bundle register ./owmeta-schema-bundle.yml

README.md

@@ -82,7 +82,7 @@ This project holds a working-copy of the database. You can retrieve it by
 executing the following command line after owmeta installation:
 
 ```bash
-owm clone https://github.com/openworm/OpenWormData.git
+owm clone https://github.com/openworm/OpenWormData.git --branch owmeta
 ```
 
 This command should create a directory `.owm` in your current working