logback implemented
log.warning -> log.debug
alternateTitle added to warning
table name determination improved
info logging added
source dataset name length increased (80 -> 200)
column update fixed
conformed to LoggingAdapter convention
initial version of loader implemented

also contains additional improvements:

- deegree dependencies exclusions
- requesting single metadata item from provider
Merge pull request #24 from IDgis/logging_and_loader

Logging and initial loader implementation