update build script

.travis.yml

@@ -44,6 +44,10 @@ install:
   - sudo cp *.a /usr/lib
   - cd $CWD
 script:
+  - cd alphamind/pfopt
+  - git submodule init
+  - git submodule update
+  - cd ../..
   - bash build_linux_dependencies.sh
   - export NUMBA_DISABLE_JIT=1
   - export LD_LIBRARY_PATH="$PWD/alphamind/pfopt/lib:$LD_LIBRARY_PATH"

build_linux_dependencies.sh

@@ -2,9 +2,6 @@
 
 cd alphamind/pfopt
 
-git submodule init
-git submodule update
-
 ./build_linux.sh
 
 if [ $? -ne 0 ] ; then

build_windows_dependencies.bat

 @echo off
 
-cd alphamind/pfopt
-
-git submodule init
-git submodule update
+cd alphamind\pfopt
 
 call build_windows.bat