Adding deltaSince method to PersistenceExtensions
change minimum things in demo.rules
Added evolutionRate to persistence extensions
Fix for #851: Merged from branch 1.5.1:
Added a timer thread, which will try to reconnect to the KNX bus in case
of initial connection failure.
Modified management of DP initialization, such that DPs are not removed
from the queue when connection is not established.
Added debug and trace messages.
Integrated baudrate and parity settings
Merge pull request #1517 from Snickermicker/pr_851_for_1_6_0

[KNX] Fix for #851: Merged from branch 1.5.1
Merge pull request #1518 from joek/FS20

Integrated baudrate and parity settings in FS20 binding
Merge pull request #1471 from clinique/deltasince

Adding deltaSince method to PersistenceExtensions
Creating an xPL Transport bundle to factorize xPL4Java library and xPL network access between xpl actions and binding
Small corrections
Renaming java classes from xPL to Xpl
some code cleanup, version, class path and pom fixes