Merge revisions 14212 and 14586 from the BUF_REMOVAL branch to trunk.
The change eliminates the use of fixed size buffers for path names.
There was a comment in the code that dynamic memory allocation could
not be used. But that is no longer true. 
Clean up #includes.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14587 a5019735-40e9-0310-863c-91ae7b9d1cf9
Merge r14125 from the BUF_REMOVAL branch to trunk.
This change eliminates the fixed size buffer in VG_(assert_fail).


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14588 a5019735-40e9-0310-863c-91ae7b9d1cf9