Rename INSTALL -> INSTALL.md

Also add more markdown syntax.

INSTALL.md

@@ -15,11 +15,13 @@ KDE Partition Manager is built with cmake. It is
 recommended to build out of tree: After unpacking the source, create a separate
 build directory and run cmake there:
 
+```
 $ tar xf partitionmanager-x.y.z.tar.xz
 $ cd partitionmanager-x.y.z
 $ mkdir build
 $ cd build
 $ cmake ..
+```
 
 If all dependencies are met, cmake configures the build directory.
 
@@ -27,14 +29,16 @@ If all dependencies are met, cmake configures the build directory.
 3. Build and install
 
 Just run make and make install in the build directory. The default install path
-is /usr/local, so installing will need write privileges there. You can
+is `/usr/local`, so installing will need write privileges there. You can
 configure a different install path by passing
--DCMAKE_INSTALL_PREFIX=<your_path> to cmake when configuring. To change the
+`-DCMAKE_INSTALL_PREFIX=<your_path>` to cmake when configuring. To change the
 install path after configuring and building, run
 
+```
 $ ccmake .
+```
 
-in the build directory and modify CMAKE_INSTALL_PREFIX there.
+in the build directory and modify `CMAKE_INSTALL_PREFIX` there.
 
 
 4. Running
@@ -48,11 +52,13 @@ operations (i.e., you can click through the UI, but cannot modify your disks).
 
 If you are getting an error like this during the build:
 
+```
 index.docbook:71: parser error : Entity 'partman' not defined
+```
 
 there is a problem with a documentation file. This is easily fixed by
-commenting out the offending language in doc/CMakeLists.txt -- the error
+commenting out the offending language in `doc/CMakeLists.txt` -- the error
 message should indicate which language causes the error. As an alternative, you
 can disable building all documentation by commenting out the
-macro_optional_add_subdirectory(doc) line in the toplevel CMakeLists.txt file.
+`macro_optional_add_subdirectory(doc)` line in the toplevel `CMakeLists.txt` file.
 

README.md

@@ -85,7 +85,7 @@ sudo emerge partitionmanager
 
 ### From source
 
-See [INSTALL](INSTALL).
+See [INSTALL](INSTALL.md).
 
 ## Changelog