delete .classpath .project files
Revert "Check in solution for W3 A2."

This reverts commit 2912fdbf6f4f14356cadda8bbddd5ec4b98aa29e.
Revert "Revert "Check in solution for W3 A2.""

This reverts commit 2a04fc6ef88a71b4e635dcbd1d7efec678c0ef99.
Merge remote-tracking branch 'origin/master'