Free returned offsets and line numbers from mono_debug_symfile_get_line_numbers.
Free domain specific sequence point information.

Conflicts:
	mono/mini/mini.c
Fix regression from 2cc36e3, missing BaseURI caused external schema resolution failure.
Type parameter inflated interfaces needs to be marked too. Fixes #13996
Remove some unused parameters
Merge pull request #734 from joncham/domain-debug-leaks

Fix domain related leaks of debug information
Simplify the caching of delegate-invoke wrappers with a bound first argument, caching can be done using just the signature.