Don't use absolute path when logging existence of workspace and results dir

Signed-off-by: Tomas Hozza <thozza@redhat.com>
Add BuildTemporaryEnvironment class

Signed-off-by: Tomas Hozza <thozza@redhat.com>
Catch RuntimeError when building fails and exit with 1

Signed-off-by: Tomas Hozza <thozza@redhat.com>
Monster refactoring of builders to use TemporaryEnvironment

Signed-off-by: Tomas Hozza <thozza@redhat.com>
Application: Fix log message

Signed-off-by: Tomas Hozza <thozza@redhat.com>