remodelled download page and main page

the structure will be applied for the generated pages.

show javadoc on the project website.

added site.xml for site generation
first look at site creation #66

maven error

which will execute maven including this profile;
changed visibility of all run-configurations, these are now always
visible in "run"

Release needs further tests

still not 100% working. Issues withing the signing process

added authors and scm
mvn install generates ...-javadoc.jar and ...-sources.jar

CipherConfiguration encrypts, compresses a file and vice-versa
TokenizerConfiguration decrypts, decompresses and reads tokens from a
given file
updated pipe-factories.conf file

not execute them on install goal
test run-configuration added which executes performance-tests