add some descriptions and print them on 3d printing, un-dated projects and xyrobot pages as well.

input/blog/2015/2015_08_31_otaclock.md

 title: Blog
 post: OtaClock for Mac OS X
+description: Old Windows Metal Gear Solid 2 utility for modern Macs
 date: 2015-08-31
 comments: true
 flattr: true

input/blog/2015/2015_12_20_serialgamepad.md

 title: Blog
 post: Flysky Mac OS X joystick driver
+description: Using cheap RC remotes with PC simulators
 date: 2015-12-20
 comments: true
 flattr: true

input/blog/2016/2016_05_03_yasavum.md

 title: Blog
 post: YASAVUM - Yet another simple Arduino VU meter
+description: Simple MSGEQ7 stereo audio visualizer
 date: 2016-05-03
 comments: true
 flattr: true

input/blog/2016/2016_05_25_spacenav_plus.md

 title: Blog
 post: Spacenav-Plus for Mac OS X
+description: Fork of Linux driver and added software support
 date: 2016-05-25
 comments: true
 flattr: true

input/blog/2016/2016_07_24_usb_host_cppm.md

 title: Blog
 post: Arduino USB Host CPPM
+description: Controlling quadcopter with USB joystick
 date: 2016-07-24
 comments: true
 flattr: true

input/blog/2016/2016_11_05_frsky_telemetry.md

 title: Blog
 post: Arduino FrSky Telemetry
+description: Custom telemetry display for cheap RC remotes
 date: 2016-11-05
 comments: true
 flattr: true

input/projects.md

 mpages.sort(key=lambda p: [int(p.get("position", "999"))])
 for p in mpages:
     print "  * **[%s](%s)**" % (p.title, p.url)
+    if p.get("description", "") != "":
+        print "<br><span class=\"listdesc\">" + p.get("description", "") + "</span>"
 
 dpages = [p for p in enpages if p.get("date", "") != ""]
 mpages = [p for p in dpages if any(x in p.get("parent", "") for x in [ 'projects', 'stuff' ])]

input/projects/3d-printing.md

 mpages.sort(key=lambda p: int(p["position"]))
 for p in mpages:
     print "  * **[%s](%s)**" % (p.title, p.url) # markdown list item
+    if p.get("description", "") != "":
+        print "<br><span class=\"listdesc\">" + p.get("description", "") + "</span>"
 %-->
 
 If you're interested in my 3D print designs, take a look [at my Thingiverse account](https://www.thingiverse.com/xythobuz/designs) or my [Git Repository](https://git.xythobuz.de/thomas/3d-print-designs).

input/stuff/archive.md

 title: File Archive
+description: Some files mirrored for archival purposes
 parent: stuff
 position: 1000
 ---

input/stuff/xyrobot.md

 mpages.sort(key=lambda p: int(p["position"]))
 for p in mpages:
     print "  * **[%s](%s)**" % (p.title, p.url) # markdown list item
+    if p.get("description", "") != "":
+        print "<br><span class=\"listdesc\">" + p.get("description", "") + "</span>"
 %-->
 
 Now some pictures: