Update the README with updated information

Author: carlbennett

README.md

@@ -1,45 +1,58 @@
 # BNCSUtil
 ## Preface
 **BNCSUtil** is the **B**attle.**N**et **C**hat **S**ervice **Util**ity which
-aids applications trying to logon to Battle.net™ v1 using the binary
+aids applications trying to logon to Classic Battle.net™ using the binary
 protocol. Specifically, BNCSUtil has functions that help with the cryptography
 of game versions, keys, and passwords.
 
 ## Installing
-Simply place the .so or .dll file in the same directory as the application that
-wishes to use it. If this does not work, install the file into the system
+Simply place the `.so` or `.dll` file in the same directory as the application
+that wishes to use it. If this does not work, install the file into the system
 library directory.
 
-On Windows, this directory is:
+### Windows
+Copy the file to:
+
 ```
 C:\Windows\System32
 ```
 
-On Linux, this directory is:
+### Linux
+If you just have the `.so` file, copy it to:
+
 ```
 /usr/lib/
 ```
 
+And run:
+
+```
+sudo ldconfig
+```
+
+If you have just compiled from source, run this instead:
+
+```
+sudo make install
+```
+
 ## Building
 ### Windows
 The official build of BNCSUtil for Windows is produced using Visual Studio 2005
-using the solution file in the `vc8_build` folder. The `vc7_build` is no longer
-officially used or supported.
+using the solution file in the `vc8_build` folder.
 
 BNCSUtil requires GMP.
 
 ### Linux
 To build:
 ```
-./configure
+cd src/bncsutil
+make clean
 make
-make install
 ```
 
-If you have a fresh checkout or are having build-related issues, run the
-following to (re)generate the configure script:
-```
-autoreconf -if
-```
+If you are having build related issues, ensure that:
 
-Note that to use `autoreconf` you will need to have GNU `autotools` installed.
+- You have the `gcc` package installed.
+- You have the `glibc` development package installed.
+- You have the `gmp` development package installed.