removed redundant functions
mouse controls are disabled when markers are on
markers are now draggable
added cursor lines to markers
added black background behind marker labels
removed keyPressEvent
markers now stay in same position even if RBW is changed
fixed marker behaviour while rbw is changed, re-enabled tunning via mouse while markers are on
cursor is now invisible
added custom infiniteLine widget
increased marker size, changed marker shape
marker colors are now white, removed radio button
added span/rbw labels
added span/rbw labels
markers now plot over trace
proper units used in RBW label while in HDR mode
added DD RFE mode to list of modes that are I-only
added HDR mode to list of I only modes
use DEFAULT_SAMPLE_TYPE instead of new property
Merge pull request #3 from wardi/fix_dd_axis

use DEFAULT_SAMPLE_TYPE instead of new property