renamed variable
update gruntfile
added test ts files
file should work now
linting fixes
test for single item in files and for failed compilation
tests for empty files and missing files
Added warnings for using out and outDir with files.

Also default to fast:never if files is used
implemented warning if watch is used with files.

Also switched from console.warn to grunt.log.writeln for other newer
warnings.
This task was not really needed.
warn when attempting to use fast with files
copy + paste mistake
properly mark this as a test.
got singular dest as .js file working.
test for missing dest with files
added isJavaScriptFile() helper method
now assumes that dest is a folder if it is not a JavaScript file. (and neither of outDir nor out are specified)
fixed linting problems.
Warn if the destination for the target is "src"
support for Files Object format