Fix #72: print() in background fiber hogs fiber gc memory pool
Add support for github ticket #90
rpm-fedora-fix: do not include rpm debug package under Fedora.

Fedora includes debug package by default and will
trigger an error if sees the duplicate.
#103: move -V to -W and -v to -V
#94: -v -> -V (now it shows version), -? as alias for --help
Fix #107: box.tuple.unpack asserts on extra arguments
Delete TEE from Client(We can emulate it's behaviour with standart linux 'tee' utility)
Fix for #121 in stable
Uses private arena with OpenVZ, closes #91

Also don't call sfree_delayed if snapshot process isn't started, closes #118
Merge branch '90-complimetary-port' into stable
Merge branch '91-118-openvz' into stable
New Debian snapshot
Merge branch 'gh-94-tarantar-args' into stable
Merge branch 'rpm-fedora-fix' into stable
Merge branch 'gh-103-args' into stable
Add filter to pass tests under OpenVZ. #91
Merge branch 'gh-72-print-palloc-memleak' into stable
Replace luaL_Buffer with tbuf. Fix #65
Add pager functionality
Add support for environmental variables