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 cbb61b131ff07420717f4af5229b1bc8a4cc5013..b3ca4c6003309c4535c494b29a320b7ace3eaf5f 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,9 @@ language: python
 
 sudo: false
 
-cache: false
+cache:
+  directories:
+  - cldr
 
 matrix:
   include: