Use full paths

src/freedombone-app-xmpp

         exit 68224283
     fi
 
-    tar -xzvf ${prosody_filename}.tar.gz
-    cd ${prosody_filename}
+    tar -xzvf ${INSTALL_DIR}/${prosody_filename}.tar.gz
+    cd ${INSTALL_DIR}/${prosody_filename}
     ./configure --ostype=debian
     make
     make install
     if [ ! -f /usr/local/bin/prosody ]; then
         echo $'Failed to build prosody nightly'
-        rm ${prosody_filename}.tar.gz
-        rm -rf ${prosody_filename}
+        rm ${INSTALL_DIR}/${prosody_filename}.tar.gz
+        rm -rf ${INSTALL_DIR}/${prosody_filename}
         exit 628732
     fi
-    cp /usr/local/bin/prosody* /usr/bin
+    cp -f /usr/local/bin/prosody* /usr/bin
     rm /usr/local/bin/prosody*
-    rm ${prosody_filename}.tar.gz
-    rm -rf ${prosody_filename}
+    rm ${INSTALL_DIR}/${prosody_filename}.tar.gz
+    rm -rf ${INSTALL_DIR}/${prosody_filename}
 }
 
 function install_xmpp_main {