Add reader.clj. Setup a simple window that displays a chart from incanter.
Merge branch 'master' of https://github.com/JouisWalker/clattery

Conflicts:
	src/clattery/charts.clj
	src/clattery/core.clj
Merge changes to master.
Clean up an unnecessary (use..) in reader.clj. Rename symbol a in charts.clj to sample-chart.