Bug 422016 - [1.8] Having reference expressions or lambdas in file
triggers warning for missing line numbers

Change-Id: Idd3bb0b1f41ec27ac2a2c2d68049a5c70765581c
Signed-off-by: Jesper Moller <jesper@selskabet.org>
Changed project settings needed to allow compiling with JDK7 without
built files getting into git.

Signed-off-by: Timo Kinnunen <timo.kinnunen@gmail.com>
Added README.md and CONTRIBUTING.md files.

Signed-off-by: Timo Kinnunen <timo.kinnunen@gmail.com>