reformatted highpass/lowpass filter build.xml files
added ant build instructions to README
edited build instructions in README
edited/reformatted build files for correlation, bandpass and dyo plugins
edited build.xml for reconvolution plugin, removed rotation plugin (*.java files DNE for rotation)
edited build files for ppm/psd plugins
edited/reformated build files for showResponse and spectra plugins
Merge branch 'test-branch'

Conflicts:
	README.md