Shell added
Delete Calculator.java
Checking by 'checkstyle': done
Update Shell (except of checkstyle)
Merge https://github.com/dkomanov/fizteh-java-2013 into Shell

Conflicts:
	src/ru/fizteh/fivt/students/paulinMatavina/Calculator.java
Fully fixed checkstyle errors and other stuff
One more chance?
Fixed: writing on existing file
Some fix
Merge pull request #76 from paulin-mipt/Shell

Shell, Matavina, 294