Added button to draw fly trajectories
Draw trajectory works with test case
Cleaned up some classes
Sorted, formatted, and added javadoc comments to the code.
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
Made forward and backwards buttons which change which loaded image is currently being displayed.
Formatted and sorted all class files.
Fixed some color dots. Also enlarged them.
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
Added a clear images button to the gui, and it works.
Made grid bag layout
Merge branch 'master' into gridbag

Conflicts:
	src/edu/lclark/drosophila/ButtonPanel.java
Put sample images in sample-images folder.
Merge branch 'master' into MovietoFrame2

Conflicts:
	src/edu/lclark/drosophila/Analyzer.java
	src/edu/lclark/drosophila/AnalyzerGui.java
	src/edu/lclark/drosophila/AnalyzerPanel.java
	src/edu/lclark/drosophila/ImagePanel.java