Merge pull request #1 from euroelessar/master

Compile fixes
Compilation fixes

Source update to introduced session::ioflags
property and key argument
Merge pull request #2 from euroelessar/master

Compile fixes
elliptics-fastcgi version update: 1.4-1-ell2.20
Return 402 when trying to delete nonexisting key
Do not crash if cookie is empty
Compilation fixes

Source update to introduced session::ioflags
property and key argument