Added solution to the first exercise
Merge pull request #4 from matax87/solution-lab7

Added contributed solution to the first exercise (contribution by matax87, Thanks!)
updated guiding notes of Lab6
Merge branch 'master' of https://github.com/cdparra/introsde2013
updated guiding notes of lab6, small style adjustments
added slides of lab 6
added http-server standalone for those who cannot find it
updated slides and guiding notes with aditional EHealthResource example
updated lab5 slides and README
guiding notes+slides+assignment in lab7
minor updates to guiding note of lab7
added simple JPA example with SQLite + H2
added restful services (jpa not entirely working)
added some examples and fixes
Merge commit '8550f5942e242d926d23e16a89ec97795a075410'