fix travis-install.sh permission issue

Author: steverhoades

travis-install.sh

@@ -1,10 +1,10 @@
 #!/bin/bash
 
 # install 'libuv'
-git clone --recursive https://github.com/joyent/libuv.git
+git clone --recursive --depth=1:w https://github.com/joyent/libuv.git
 pushd libuv
 git checkout v1.0.0-rc2
-/bin/bash ./autogen.sh && ./configure && make && make install
+./autogen.sh && ./configure && make && make install
 popd
 
 #install 'php-uv'