added source codes from last meeting for jython
added announcement for july meeting
Update 2013-07-15-treffen_juli.rst

von 128MB Model A
Merge pull request #1 from aeickho/patch-1

Update 2013-07-15-treffen_juli.rst
added announcement of Septemer event
Announcement of October Event added
results of the code golf session on saving time published
new announcement
Fixed date
new announcement for x-mas meetting on scapy
Annoucement of January meeting
minor fix
Naechstes Treffen
Added 'make preview' target
announcement for march meeting
announcement for may meeting :-)
Announcement of the june 2014 meeting
Added 2014-07 event.
announcement for august meeting
typo fixed in header