fixed plugin build.xml files, removed errors and build warnings
fixed plugin build errors, added filter.reconvolution plugin, removed extra class files in xmax.spectra plugin/classes directory
added MANIFEST to build.xml, rewrote jar target in build.xml
changed build to include new manifest for xmax.jar classpath
fixed ant compile warnings for src/ code, changed build.xml file
changed build.xml to include lib/ and plugins/ for the classpath
fixed classpath error for java jar build
updated README for ant build
added ant target descriptions to README
edited README
edited ant descrip in README
fixed indents README
Merge pull request #3 from agonzales-usgs/test-branch

Merging test-branch with classpath ant build fixes