travis: Cache cldr

This should speed linux builds up a bit. Caching is not supported for
mac builds though.

diff --git a/.travis.yml b/.travis.yml
index 95b1695f22d0d8d2aac61aacd590cfe46e52a30c..6ba4fbd9759535bb87ab0bed04fc385cd0aae768 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,9 @@ language: python
 
 sudo: false
 
-cache: false
+cache:
+  directories:
+  - cldr
 
 matrix:
   include: