Merge pull request #1 from dscho/master

Make it easier to build jClustering_.jar
Added old .gitignore files
Changed minimum version
Fixed expand() to work with 1.46r
Let's put it in plugins for now
Version 1.6
Version 1.1.6
Updated installation instructions
Added comment to main() method
Deleted KNOWN_BUGS, use github issue tracker
Move pc object initialization to init() method
Don't pick up noise for centroids regardless of skip_noisy value
Removed old comment
Added a contact section in README.md
More contact info
Improved comment
Put technique and original image title in resulting image
Use only amplitude to compare clusters
Typo
Back to old comparator, with better doc