Change MacOSX to MacOS as its nowadays known.

Resolves #15

Author: natoscott

dist/index.html

@@ -116,7 +116,7 @@ <h2>What's new in htop</h2>
 and
 <a href='htop_talk.pdf'>slides</a>
 of Hisham's presentation at FOSDEM 2016 about how this came to be.
-This release includes code supporting Linux, FreeBSD, OpenBSD, DragonFly BSD and MacOSX.
+This release includes code supporting Linux, FreeBSD, OpenBSD, DragonFly BSD and MacOS.
 </p>
 <center>
 <p>

docs/index.html

@@ -123,7 +123,7 @@ <h2>What's new in htop</h2>
 and
 <a href='/assets/static/htop_talk_fosdem2016_hisham.pdf'>slides</a>
 of Hisham's presentation at FOSDEM 2016 about how this came to be.
-The current releases support Linux, FreeBSD, NetBSD, OpenBSD, DragonFly BSD, MacOSX and Solaris.
+The current releases support Linux, FreeBSD, NetBSD, OpenBSD, DragonFly BSD, MacOS and Solaris.
 </p>
 <center>
 <p>

index.haml

@@ -41,7 +41,7 @@
           %a{:href => "/assets/static/htop_talk_fosdem2016_hisham.pdf"} slides
           of Hisham's presentation at FOSDEM 2016 about how this came to be.
 
-          The current releases support Linux, FreeBSD, NetBSD, OpenBSD, DragonFly BSD, MacOSX and Solaris.
+          The current releases support Linux, FreeBSD, NetBSD, OpenBSD, DragonFly BSD, MacOS and Solaris.
         %center
           %p
             %a{:href => "images/htop-2.0.png"}