Merge pull request #56 from thkaiser/master

Fix error with long aggregates (week/month) (add missing SORT to query)
composer.json hinzugefügt. install.sh angepaßt. lib/vendor entfernt.
Doctrine ORM auf Version 2.4 gesetzt wegen Abhängigkeit von Symfony Console.
install.sh downloads composer if not yet available.
moved all classes from lib to lib/Volkszaehler. classmap autoloader changed to psr-0 autoloader.
fixed paths removed.
autoloader fixed.
composer.json made more verbose. jpgraph added.
Tests fixed.
Pathes changed to refelct moved location of Volkszaehler-classes.
undo last commit (reverse-merged from commit c4927572edf492d89ec14c5fcc94baa4f6dc9a7f)
Pathes changed to refelct moved location of Volkszaehler-classes.
Vendor library configuration removed, Volkszaehler\Utli\ClassLoader removed (that's all up to Composer).
JpGraph is "always on".
Added unit tests
Added unit tests
Fix DataIterator to return sensible <to>
Remove unneeded test
Fixed Wrapper class loader
Merge pull request #62 from andig/unittest

Added Unittests - Clean start