README: Spelling and formatting fixes

* Several small spelling and capitalization fixes.

* Use consistent and better-looking formatting that is compatible with
  AsciiDoc (and partly compatible with RST).

Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>

README

@@ -1,20 +1,19 @@
+cgit - CGI for Git
+==================
 
-                       cgit - cgi for git
-
-
-This is an attempt to create a fast web interface for the git scm, using a
-builtin cache to decrease server io-pressure.
-
+This is an attempt to create a fast web interface for the Git SCM, using a
+built-in cache to decrease server I/O pressure.
 
 Installation
+------------
 
-Building cgit involves building a proper version of git. How to do this
+Building cgit involves building a proper version of Git. How to do this
 depends on how you obtained the cgit sources:
 
 a) If you're working in a cloned cgit repository, you first need to
-initialize and update the git submodule:
+initialize and update the Git submodule:
 
-  $ git submodule init     # register the git submodule in .git/config
+    $ git submodule init     # register the Git submodule in .git/config
     $ $EDITOR .git/config    # if you want to specify a different url for git
     $ git submodule update   # clone/fetch and checkout correct git version
 
@@ -23,28 +22,28 @@ version like this:
 
     $ make get-git
 
-
 When either a) or b) has been performed, you can build and install cgit like
 this:
 
     $ make
     $ sudo make install
 
-This will install cgit.cgi and cgit.css into "/var/www/htdocs/cgit". You can
-configure this location (and a few other things) by providing a "cgit.conf"
+This will install `cgit.cgi` and `cgit.css` into `/var/www/htdocs/cgit`. You
+can configure this location (and a few other things) by providing a `cgit.conf`
 file (see the Makefile for details).
 
+Dependencies
+------------
 
-Dependencies:
-  -git 1.7.4
-  -zip lib
-  -crypto lib
-  -openssl lib
-
+* git 1.7.4
+* zip lib
+* crypto lib
+* openssl lib
 
 Apache configuration
+--------------------
 
-A new Directory-section must probably be added for cgit, possibly something
+A new `Directory` section must probably be added for cgit, possibly something
 like this:
 
     <Directory "/var/www/htdocs/cgit/">
@@ -56,31 +55,32 @@ like this:
 
 
 Runtime configuration
+---------------------
 
-The file /etc/cgitrc is read by cgit before handling a request. In addition
+The file `/etc/cgitrc` is read by cgit before handling a request. In addition
 to runtime parameters, this file may also contain a list of repositories
-displayed by cgit (see cgitrc.5.txt for further details).
-
+displayed by cgit (see `cgitrc.5.txt` for further details).
 
 The cache
+---------
 
-When cgit is invoked it looks for a cachefile matching the request and
-returns it to the client. If no such cachefile exist (or if it has expired),
-the content for the request is written into the proper cachefile before the
+When cgit is invoked it looks for a cache file matching the request and
+returns it to the client. If no such cache file exists (or if it has expired),
+the content for the request is written into the proper cache file before the
 file is returned.
 
-If the cachefile has expired but cgit is unable to obtain a lock for it, the
-stale cachefile is returned to the client. This is done to favour page
+If the cache file has expired but cgit is unable to obtain a lock for it, the
+stale cache file is returned to the client. This is done to favour page
 throughput over page freshness.
 
 The generated content contains the complete response to the client, including
-the http-headers "Modified" and "Expires".
-
+the HTTP headers `Modified` and `Expires`.
 
 Online presence
+---------------
 
 * The cgit homepage is hosted by cgit at <http://git.zx2c4.com/cgit/about/>
 
-* Patches, bugreports, discussions and support should go to the cgit
+* Patches, bug reports, discussions and support should go to the cgit
   mailing list: <cgit@lists.zx2c4.com>. To sign up, visit 
   <http://lists.zx2c4.com/mailman/listinfo/cgit>