Added indication of linear or log scale mode to y-axis, closes cancerregulome/grid#29
Button label indicates log or linear scale depending on current scaling mode. Closes cancerregulome/grid#30
Added label for track y-axes. Addresses part of cancerregulome/grid#28
Added separate logic for drawing y-axis scale in the case of maximum 1 or 2 samples in any track location. Closes cancerregulome/grid#28
Updated template
Merge branch 'feature/seqpeek-axis-enhancements' into develop