switched build instructions to meson

doc/build.md

@@ -2,11 +2,9 @@
 
 To install dependecies, see below.
 
-    cd webfused
-    mkdir build
+    meson build
     cd build
-    cmake ..
-    make
+    ninja
     ./webfused -f webfused.conf
 
 ## Dependencies
@@ -20,6 +18,10 @@ To install dependecies, see below.
 - [linux-pam](http://www.linux-pam.org/)
 - [Google Test](https://github.com/google/googletest) *(Test only)*
 
+It is recommended to provide all dependencies outside of the project.
+
+To simply development, some dependencies are bundled using meson wrap files. Note that installing webfused will also install subprojects, when they are used (this is typically not what you want).
+
 ### libfuse
 
 To install libfuse, meson is needed. Please refer to [meson quick guide](https://mesonbuild.com/Quick-guide.html) for setup instructions.