wrong mpath folder (detected by rpmbuild)

change modules-prefix (tmp folder) to modules-target (installation folder)
Update Centos spec file

Some new rpm optional modules are added:
mi_xmlrpc_ng,sngtc,db_cachedb,mathops,rest_client
Fixed goes_to_gw, is_from_gw and dr_is_gw so that they accept negative
gateway types ( to match all gw types)
Properly mentioned Steve Frécinaux from Be IP as the module creator
Fixed warning
Fixed compilation error for libcurl < 7.16.2 ( due to CURLOPT_TIMEOUT_MS )
Fixed crash if send_subscribe fails early

In that case presentity is still NULL, check for it
Cleanup menucnfig files when doing make proper
Fixed compilation in systems without EPOLL
Kill compilation warnings

io_wait.c: In function ‘check_poll_method’:
io_wait.c:368:15: warning: variable ‘os_ver’ set but not used [-Wunused-but-set-variable]
  unsigned int os_ver;
               ^
io_wait.c: In function ‘choose_poll_method’:
io_wait.c:448:15: warning: variable ‘os_ver’ set but not used [-Wunused-but-set-variable]
  unsigned int os_ver;
               ^
remove warning compilation

remove warning: ‘ret’ may be used uninitialized in this function
parallel compilation

speedup compilation on multicore/multicpu machines
Fix: mathops internal parsing bug

Credits to Jayesh Nambiar for reporting
Increased menuconfig parsing buffer to 1024
(Reported by Richard Revels)

Removed mi_http from the excluded modules list - has no external dependencies
Fixed double free issue when reading multiple SIP messages in one TCP chunk
Do proper zero-ing out of the tcp_req structure
Merge pull request #48 from fabriziopicconi/patch-10

improved parallel compilation
Merge pull request #46 from fabriziopicconi/patch-8

remove warning compilation
spec file for el/fedora synced with build server
PUBLISH requests are now handled in the same order than received.

That is specifically useful for pua dialoginfo which was generating dialog
info notifications that were handled in the wrong order with that patch.
PUBLISH with older documents were sometimes treated after PUBLISH requests
with newer documents, leading to incoherent states.
Added documentation for recent changes.
add m4 config support for debian distros