added SOAP clients example
Fixed generated SOAP client as stub
added screenshots
added screenshots for generating entities guide
first version of the guiding notes + updated screenshots
updated pictures links
updated lab8 README, updated code of Lab7 to rename DAO class
added slides of lab8
updated source code of Lab8 with some improvements and simplifications
fixed some small details
fixed bugs, updated introsde-jpa example, improved guiding notes of lab
8
updated guiding notes, added slides