[RESOURCE] unimod.xml updated with newest version from unimod.org
[RESOURCE] removed (R) tag as in a118d59
Merge remote-tracking branch 'upstream/develop' into fix/methylSILAC2
[RESOURCE] Palladium added to Elements.xml
[RESOURCE] unimod #320 modified #1414 added
[INTERNAL] more instructive exception message
[TEST] ModificationsDB class test fixed
[RESOURCE] typo fixed
[RESOURCE] unimod #99991 to #99995 added
[INTERNAL] moved ProgressLogger implementations (CMD, NONE, GUI) to separate classes

 * cleanup of ProgressLogger header
 * minor cleanup in TOPPBase
[INTERNAL] switched to factory to hold the different ProgressLogger implementations
[TEST,INTERNAL] switched from QRegExpValidator (from QtGui) to boost::regex in tests
[INTERNAL] removed QTextDocument based html->text in mascotremotequery

 * needs fixing to avoid showing html in case of an error
[INTERNAL,FEATURE] moved GUI based progress logger to openms_gui

 * registered at factory during QApplicationTOPP startup
 * access to logger GUI in OpenMS leads to Exception::InvalidValue
[BUILD] removed dependency to QtGui from OpenMS
[BUILD] added WITH_GUI option (default ON) that, if set to OFF, disables all GUI parts of OpenMS allowing to build without qt-gui
[CI] integrated non-gui builds into travis build matrix
[TEST] also disabled the corresponding topp tests if the tools are missing
[BUILD] append gui tools to topp/utils list if build with WITH_GUI=On
[BUILD] re-added GUI tools to VS source groups