[TYPO3-project-4-3] Improve error handling for tslib_fe->printError() and die()

[Martin Kutschker]

Jeff Segars schrieb:
> Hey guys,
> In the past few weeks we've realized how nice it is to keep an eye on
> client sites by monitoring output from TYPO3's sysLog. It's been really
> convenient as it gives us a quick view of problems that don't
> necessarily generate PHP errors.

Practically all die()s should be removed. Usually throwing an exception
is the way go. Ingo wrote that he is working on an exception handler to
print out the error information in a formatted/nice way (or log or do
whatver).

Masi