Update README as now the plugin is build by default

README

@@ -3,7 +3,7 @@ To compile this software you need to install development packages for llvm-2.7,
 sdl, opengl, curl, zlib, libavcodec, ftgl, libglew, fontconfig, pcre.
 If sound is enabled (on by default), you will also need the development package
 for pulseaudio-libs.
-If the browser plugin is enabled (off by default), you will need the development
+If the browser plugin is enabled (on by default), you will need the development
 package for xulrunner.
 Install also cmake and nasm.
 NOTE:
@@ -19,13 +19,13 @@ To build the software please follow these steps.
 1) cd lightspark
 2) mkdir objs
 3) cd objs
-4) cmake -DCMAKE_BUILD_TYPE=Release -DCOMPILE_PLUGIN=1 ..
+4) cmake -DCMAKE_BUILD_TYPE=Release ..
 5) make
 6) sudo make install
 
 DEBUG MODE:
 To enable debug mode change the cmake command like this:
-4b) cmake -DCMAKE_BUILD_TYPE=Debug -DCOMPILE_PLUGIN=1
+4b) cmake -DCMAKE_BUILD_TYPE=Debug
 
 CMAKE_BUILD_TYPE available: Debug Release RelWithDebInfo Profile
 Sound support may be disabled using the following option: -DENABLE_SOUND=0