pip --user to avoid needing admin access

.travis.yml

@@ -19,12 +19,13 @@ matrix:
       env: GAMOS=windows
 
 before_install:
+- set
 - if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then
     cinst -y python2;
     PATH=$PATH:/c/Python27/scripts;
   fi
-- pip install --upgrade pip
-- pip install pyinstaller
+- pip install --user --upgrade pip
+- pip install --user pyinstaller
 
 install:
 - cd src
@@ -33,7 +34,6 @@ install:
 - cp whatsnew.txt gam
 - cp GamCommands.txt gam
 - if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then
-    set;
     ls -l $ProgramFiles;
     GAM_ARCHIVE=gam-$TRAVIS_BUILD_NUMBER-$GAMOS.zip;
     $ProgramFiles/7-Zip/7z.exe a -tzip $GAM_ARCHIVE -xr!.svn;