UI changes, logger tab

Changed the layout, added tabs and a toolbar.
Saved last selected functions and JAR-artifacts.
Removed actions from the Tools menu.
Added a tab with an operation log.
1.2 RC1:
Added a list of profile - profiles from credentials file can be loaded (with a specified region, if exists in credentials file, not in config file). Use command "aws configure --profile YOUR-PROFILE-NAME" to create a profile.