Suffix trees: import implementation of Ukkonen's algorithm (by Max Garfinkel)
Merge branch 'master' of github.com:interedition/collatex
Maven: stabilize build by providing version number for javadoc plugin
Guava: upgrade to v15
POM: we are aiming for a minor release
POM: inherit version of collatex-core dependency
v1.5.1: changes logged