Classifier.java: classify text of any size
Get rid of TMFVisibleException
Classifier.java: propagate constructor exceptions
Classifier.java: better constructor log msgs
Classifier.java: no javadoc for copyright

It is wrong to use javadoc for the copyright statement.
Also get rid of TMFIndexesWarmUpException
Also get rid of TMFConfigurationException
getStopWords(): don't suppress exceptions
TMFVariables.java: get rid of restURL

This version of tell me first does not need to know about its REST
URL anymore, since from now on it will be run either from the command
line, or inside a container (e.g., Tomcat).
Merge pull request #10 from bassosimone/fix/misc_tmfcore_issues

Fix misc tmfcore issues