add checkstyle check to assert that line endings are unix-style
fix multiline regex
add checkstyle check for trailing whitespace
add checkstyle check for whitespace for k files
add check for tabs in k files
fix copyright
Merge branch 'unified-builtins2' into checkstyle2
fix more whitespace problems
Merge branch 'unified-builtins2' into checkstyle2
more merge fixes :/
create whitespace script to ease transition
Merge pull request #723 from dwightguth/checkstyle2

add checkstyle whitespace checks