Corrected yet another bunch of problems reported by CheckStyle.
Applied numerous corrections after using CheckStyle.
Added some security related methods, written by Rens.
Corrected a javadoc error.
Added javadoc package documentation.
Split api doc in several pages and links. Added jxpfw-jsftags-api.
Added a make target which now is the default target.
Still adding words.
Added a modulo-10 and modulo-11 test.
Added a modulo-11 check.
