moved plugins out of the main libs source tree

- reduces file clutter
added first version of AUTHORS file

- based on 'git shortlog -sne' with some additional information from file headers etc
- known to be incomplete at this point
added LGPLv3 license file
added short copyright note to ./extern folder

- clarifies that those packages do not belong to EUDAQ and are (C) their respective copyright holders
updated release notes w/ info for v1.3.1
added license text to manual
added AIDA acknoledgements to corresponding section in manual
added license to the README file
fixed path to example plugin in manual
added new EUDAQ logo

- svg is stored in ./etc/logo
- png version is now on the title page of the manual
forgot header <algorithm> to use std::find

KILLRUN modified to search for te process IDs, and kill them all.

CMakeLists.txt gets explicit c++11 flag
Add missing include for algorithm (find, count)
OnlineMonitor and OfflineMonitor should be OFF by default
Merge pull request #82 from rubinsky/OfflineMonitor

fixing compilation issue on Ubuntu14.04 (may be other platforms as well)
Merge pull request #80 from hperrey/relicense

(Explicitly) putting EUDAQ under the LGPLv3 License
Merge branch 'master' into Sync_test
new functionality now the plugin manager has the possibility to loop over the frames inside a packet
the sync algorithm now uses the plugin manager to loop over the individual elements inside a packet
the path has changed.
created new packet type with more events per packet