add docker hub login info

.travis.yml

@@ -1,13 +1,20 @@
 sudo: required
 
 services:
-  - docker
+- docker
+
+env:
+  global:
+  - secure: QsF7ignSAbH/WCyO6v9bw1exmCWDQR0DqmHkwJ5swc9N44OOOzbWGsaMSYB5y9h+d70fz4arbxQDhsk2KvX4Zd1/2YIMOrIsbgDYeegpkhVPgyQNPKmVqiX+Tb47t1C/TgkC7A07tiPpuefYcLNMZ8gzz7oKhh1UKapYftqzZ+g=
+  - secure: HxjeKWSROBQYy9NuNkgQeaK1ubTF8vH5FcR8nUTSAYxxw/qOzKpqkiq4BcJSRcIwTbkvaBf4MshLGVOxPjMeyJFe06UD/6LvTUGS3bwdya+m0RFjHe5/3wzS8/MxLbTlvgzmuGLLKOsJjXCi9eQQchKfHv+QuhGxhYVLQpnbU9E=
+  - secure: Zq0Z2UA2A7/ieXX8XoMweClJTp8hiVBxoQ1ylJYNd7qsRSk0QvZhn62db5/x48L9S1kELk0sG64q5Pf96/RPLpdjkBUAdEkS7qF+QOvRvAv2woNEHutjlMUvP6jwYGbug+AORg76btZ57OwMOi3aTkagQMMKnokfo7KGbffy0Jo=
+
 
 before_script:
 - docker build --file="travis-dockerfile" -t "developmentseed/landsat-util:travis" .
 
 script:
-- docker run --rm -it -v "$(pwd)":/test developmentseed/landsat-util:travis nosetests
+- docker run --rm -it -v "$(pwd)":/test -w /test developmentseed/landsat-util:travis nosetests
 
 after_success:
 - docker login -e ${DOCKER_EMAIL} -u ${DOCKER_USER} -p ${DOCKER_PASSWORD}
@@ -25,9 +32,7 @@ deploy:
 after_deploy:
   if [ "$TRAVIS_BRANCH" == "master" ]; then
     echo "Start Docker Hub Push"
-    VER=$(python -c "import landsat; print landsat.__version__")
-    docker login -e ${DOCKER_EMAIL} -u ${DOCKER_USER} -p ${DOCKER_PASSWORD}
+    VER=$(docker run --rm -it -v "$(pwd)":/test -w /test developmentseed/landsat-util:travis python landsat/landsat.py --version | sed s/[^0-9\.]//g)
     docker build . -t developmentseed/landsat-util:$VER
     docker push developmentseed/landsat-util:$VER
   fi
-