Removed 'bundled' submodule and updated Travis

Author: datibbaw

.gitmodules

@@ -1,7 +1,3 @@
-[submodule "libuv"]
-	path = libuv
-	url = https://github.com/joyent/libuv.git
-	ignore = dirty
 [submodule "http-parser"]
 	path = http-parser
 	url = https://github.com/joyent/http-parser.git

.travis.yml

@@ -6,7 +6,7 @@ php:
   - 5.5
 
 before_script:
-  - cd libuv && make libuv.a CFLAGS=-fPIC -s && cd ..
+  - sudo apt-get install libuv-devel
   - phpize && ./configure && make && sudo make install
   - echo "extension=uv.so" >> `php --ini | grep "Loaded Configuration" | sed -e "s|.*:\s*||"`