Added button to draw fly trajectories
Draw trajectory works with test case
Cleaned up some classes
Merge branch 'master' into draw-trajectory

Conflicts:
	src/edu/lclark/drosophila/Analyzer.java
	src/edu/lclark/drosophila/AnalyzerGui.java
	src/edu/lclark/drosophila/AnalyzerPanel.java
	src/edu/lclark/drosophila/ButtonPanel.java
	src/edu/lclark/drosophila/ImagePanel.java
Cleaned up code for draw trajectories
Testing with fly images
Merge branch 'master' into draw-trajectory

Conflicts:
	src/edu/lclark/drosophila/Analyzer.java
	src/edu/lclark/drosophila/ButtonPanel.java
	src/edu/lclark/drosophila/ImagePanel.java
Added colored trajectories
Fixed trajectory color bug
Fixed the bug where imaginary flies would be drawn in the upper left hand corner. Also recentered identifying dots on top of flies.
Merge branch 'master' into trackFlies