split osmosis install procedure into script

Signed-off-by: Hiroshi Miura <miurahr@linux.com>

osmosis/osmosis-installer.sh

@@ -0,0 +1,26 @@
+#/usr/bin
+#
+# latest osmosis installer
+#
+
+# Download
+cd /tmp
+if [ -f osmosis-latest.tgz ]; then
+  sudo rm -f osmosis-latest.tgz
+fi
+wget http://bretth.dev.openstreetmap.org/osmosis-build/osmosis-latest.tgz
+
+# Pre-Install
+addgroup --system --quiet osmosis
+adduser  --system --quiet osmosis
+
+# Install
+mkdir -p /usr/lib/osmosis
+cd /usr/lib/osmosis;tar zxf /tmp/osmosis-latest.tgz
+if [ -f /usr/bin/osmosis ]; then
+  sudo mv /usr/bin/osmosis /usr/bin/osmosis.old
+fi
+ln -s /usr/lib/osmosis/bin/osmosis /usr/bin/osmosis
+mkdir -p /var/lib/osmosis
+chown osmosis /var/lib/osmosis
+