Correct missed schema paths and tests
Update Oxygen project file
Convert schema wavelength types to PositiveFloat
Add floating point wavelength values to sample
Transform to strip non-integer wavelength values
Code changed to get scifio to compile
Code changed to get formats to compile

Test with: ant clean compile-formats
Code changed to get loci-plugins to compile

Had to alter Colorizer to work with non-integer wavelengths.
Result should be the same as before for any integer value.

Test with: ant clean test-loci-plugins
Code changed to get tests ok with float wavelength

Test with: ant clean jars test