changed default cellID encoding and deconding strings, added hit properties

- removed clusterID field (unused/obsolete)
- increased width of sensorID field to 7bits
- added encoding string for hit sensorID and hit properties
- added hit properties string
- addresses issues #11 and #25
hitmaker now adds sensorID and properties fields

-addresses issues #11 and #25
-sensorID copied from cluster sensorID
removed commented out code from hotpixelkiller
removed obsolete CMake script for EUDAQ

- replaced linking against EUDAQ lib with separate converter processor shipping with EUDAQ
added guidelines for developers

- moved instructions from README.md to CONTRIBUTING.md
- added some further info on commit style and branching with git
Revert "hitmaker now adds sensorID and properties fields"

This reverts commit 6e9e440015fa4f50743f9149626c389e5759f26d.
This was a premature accidental commit. Sorry.
Revert "changed default cellID encoding and deconding strings, added hit properties"

This reverts commit cfc3e6d3b26863a505ba8a3d36cb8e324fd52f3f.
This was a premature and accidental commit. Sorry.
doc: cosmetic modifications to guidelines

- added line breaks after links
Reintroduce "changed default cellID encoding and deconding strings, added hit properties"

This reverts commit 367b28ef4029229c922a3f1a4cd0710d8d9b8d0f.
Reintroduce "hitmaker now adds sensorID and properties fields"

This reverts commit 46b048bb0e0ceeae2f9c05ed6c6f552b6a29946c.
removed commented out code from EUTelDUTHistograms
added missing HITENCODING to EUTELESCOPE.h
removed obsolete doxygen parts

- removed all parts based on SVN properties
fixed typo in EUTELESCOPE header

- fixes "error: extra qualification ‘eutelescope::EUTELESCOPE::’ on member ‘HITENCODING’"
fixed sensorID assignment to hits in HitMaker
Modified Hitmaker to work correctly with the information in cellid field
Removed clusterID from clustering processor
Removed clusterID and fixed interfacing the cellID field for SparsePixelType, detectorID and Quality field
Removed clusterID
Removed ClusterID from APIX tb dumper