Corrected install and build process

Corrected classpath reverence was incorrect
install_code correct filepath
Use database url/host when slplus is called.
1 sqlplus sessions instead of 3

The installation of the application, code and file in 1 sqlplus session.
Using the splitted files to install the application.
In build process clean up the complete application sql file. And correct
the install.sql and create_application.sql file ready for installation.
Export and splitting

Export and splitting of the export file in 1 task.
Correcting for the id's with the offset after the splitting instead of
before. Remove export date and time from file. Reset the file location
in init.sql