Bugfixes
Fixes two issues raised by @krisztianloki - silent failure of failing installs, and make celluninstall trying to remove something from the install location.
The two issues are:
- https://jira.esss.lu.se/browse/E3-312 - silent build failure
- https://jira.esss.lu.se/browse/E3-313 - celluninstall tries to delete from global installation
Edited by Simon Rose