Fix build scripts

ci/travis/after_success.sh

 #!/usr/bin/env bash
+
+eval "$(pyenv init -)"
 eval "$(pyenv virtualenv-init -)"
 
-cd $HOME/ucoin-io/sakia
+cd $HOME/build/ucoin-io/sakia
 pyenv activate sakia-env
 
 coverage -rm

ci/travis/before_install.sh

@@ -35,7 +35,7 @@ then
     tar xzf PyQt-gpl-5.5.1.tar.gz
     cd PyQt-gpl-5.5.1/
     pyenv activate sakia-env
-    python configure.py --verbose --confirm-license
+    python configure.py --confirm-license
     make -j 2 && make install
     pyenv rehash
 

ci/travis/build.sh

 #!/usr/bin/env bash
+
+eval "$(pyenv init -)"
 eval "$(pyenv virtualenv-init -)"
 
-cd $HOME/ucoin-io/sakia
+cd $HOME/build/ucoin-io/sakia
 pyenv activate sakia-env
 pip install coveralls cx_Freeze
 pip install -r requirements.txt