Removed $'s so one can copy and paste into terminal

docs/install.md

@@ -2,26 +2,26 @@
 
 ## Debian/Ubuntu
 ```
-$ sudo apt-get install libclang-dev make cmake g++ git
+sudo apt-get install libclang-dev make cmake g++ git
 ```
 
 ```
-$ git clone https://github.com/cppit/libclangmm.git
+git clone https://github.com/cppit/libclangmm.git
-$ cd libclangmm
+cd libclangmm
-$ cmake .
+cmake .
-$ make
+make
-$ sudo make install
+sudo make install
 ```
 
 ## OS X with Homebrew (http://brew.sh/)
 ```
-$ brew install cmake --with-clang llvm
+brew install cmake --with-clang llvm
 ```
 
 ```
-$ git clone https://github.com/cppit/libclangmm.git
+git clone https://github.com/cppit/libclangmm.git
-$ cd libclangmm
+cd libclangmm
-$ cmake .
+cmake .
-$ make
+make
-$ make install
+make install
 ```