v2.7.6
Add list_head based double linked list
Use xmalloc in bestmatch
Rename canonicalize global variable
Move error reporting out of make_tempfile()
maint: update all copyright year number ranges
gnulib: update to latest
Create git diff files with indicated mode
Clarify the error messages for malformed normal diff patches
Fail when out of memory in set_hunkmax()
maint: avoid new warning-errors from gcc-6.1
Fix inname test case
Add a missing NULL check in parse_name
Move all source and header files into src/