build updates

Author: terhorst

.travis.yml

@@ -25,6 +25,7 @@ install:
   - echo `which smc++`
   - test/integration/test.sh `which smc++`
   - conda/template.py conda/construct.tpl $VERSION > conda/construct.yaml 
+  - source deactivate
 
 deploy:
   - provider: script

conda/meta.tpl

@@ -43,6 +43,7 @@ requirements:
     - seaborn 0.7.1
     - wrapt 1.10.8
     - ad 1.3.2
+    - readline 6.2
 
 about:
   home: https://github.com/popgenmethods/smcpp