Update to 2.8.0, based on work done by xtraeme@:
ORBit2-2.8.0
* bug fixes
+ sequence_concat helper (Frank)
+ corbaloc fixes (Frank)
ORBit2-2.7.6
* bug fixes
+ try_connection deadlock (Michael, Padraig O'Briain)
+ shutdown_orb fd leak (Michael, Morten Welinder)
+ don't export libIDL strangely (Michael, Morten)
* featurelets
+ define file specific foo in idlcompile (James H)
ORBit2-2.7.5
* bug fixes
+ cmdline option parsing (Michael)
+ idl-compiler stderr fixes (Dan Winship)
+ object key hashing fix (Frank Rehberger)
+ ~always enable thread-safety (Michael)
+ parallel build fixes (Michael)
+ _is_a fixes for in-proc + transient poa (Michael)
* featurelets
+ RootPOA/POACurrent set guards (Frank)
+ corbaloc support (Frank)
+ more regression tests (Michael, Frank)
ORBit2-2.7.3
* bug fixes
+ vicious union discriminator issue (Brian Cameron)
+ non_existent / try_connection fix (Michael)
+ 'broken' emission at idle (Michael, George Lebl)
+ DynAnyFactory registration (Michael)
+ no longer explicitely "entering a wold of pain"
+ ORBit_sequence fixes (Frank Rehberger)
+ linc source fix (Padraig O'Briain)
+ gthread linkage fix (Michael)
+ struct/union leakage on exceptions (Frank)
* featurelets
+ improved regression tests (Michael, Frank, Bowie Owens)
+ lots of documentation improvements (Gustavo Carneiro)
+ -ORBInitRef, -ORBNamingIOR (Frank)
ORBit2-2.7.2
* bug fixes
+ fixed docs build (Gustavo Varneiro)
+ thread pool fix (Alex)
+ build fixes (Waschk, oGalaxy, Michael)
* features (Michael)
+ vastly improved thread safety (& Alex)
+ improved regression tests
+ much improved ABI
+ implemented POA thread policies
+ client side re-enterancy guard policies
+ internalized linc as 'linc2/link'
+ in-proc cross-thread invocation
+ poa copying API
ORBit2-2.7.1
* bug fixes
+ tail align fix (Herbert Valerio Riedel)
+ request ID fix (Herbert)
+ thread hint fix (Gustavo Carneiro)
+ build fixes (Richard Kinder)
+ packed type marshal fix (Michael Haubenwallner)
+ purifing mode fixes (Michael)
+ use g_get_tmp_dir (Michael)
* features
+ much improved thread safey (Michael)
+ improved tests (Michael)
+ locate request impl. (Herbert)
+ GIOP cleans (Herbert)
+ configurable init msg limit (Michael)
+ cygwin support (Masahiro Sakai)
+ code cleans (Richard Kinder)
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