405 for mkdir is EEXIST
Discard body on NEONRequest::reqReset

Or following operations may fail when trying to parse as header the
remainings of the previous body.
- fix cmake running macro for EPEL 5
- fix the DAVIX_FD scope problem
- correct cmake28 dependency problem on EL5, in reverting dependency to cmake 26
- fix problem related to debug message with connexion timouet LCGUTIL-379
- Fix a problem related to redirection caching deletion in case of server error, avoid one useless query
- Fix a bug in the RequestParam header container : was not copied properly, fix a wrong inclusions of such headers in the NEONRequest struct, simplify the signature of getHeaders using the typedef HeaderVec, add the support for -H option for ALL Davix cmd line tools LCGUTIL-338
switch fully to StatInfo struct, avoid any internal usage of posix struct stat
- improve functional tests, avoid any conflict with gfal2 ones
 initial man pages for davix-http and davix-ls - LCGUTIL-381
- include man page for davix rpm LCGUTIL-381
- fix compilation problem in cygwin due to header miss
- add compilation tutorial for embedded version
- modify ls cmmand man pages
- add Metalink option support to request params
- suppress davops file, feature integrated to davmeta
- bump release number to 13, force update for ugr
- fix proble mreported by Alejandro and correct the segfault issue implied by 62a8e9ccc86e601cf1696de10e1a9a4edb0a4480
Merge branch 'devel'