packages rpm: use lz4 instead of lzo
package apt yum: use lz4 instead of lzo

TODO: to use liblz4 needs as follows:
* enable universe repo in Ubuntu
* enable Wheezy-backports repo in Debian
* enable epel repo in CentOS

-> nothing to do in Fedora
packages yum: fix typo

r n ->
run
 +
Merge pull request #228 from cosmo0920/fix-typo-vagrant-yum

packages yum: fix typo

Patch by Hiroshi Hatake. Thanks!!!
Merge pull request #229 from cosmo0920/use-lz4-in-vagrant-env

package apt yum: use lz4 instead of lzo

Patch by Hiroshi Hatake. Thanks!!!
Merge pull request #231 from cosmo0920/use-lz4-in-rpm

packages rpm: use lz4 instead of lzo

Patch by Hiroshi Hatake. Thanks!!!
tokenize: support token filters
ii offline construction: use O_BINARY on Windows
tokenize: remove table option
Add table_tokenize command
doc tokenize: add token filters option
doc: add table_tokenize
doc: fix typos
doc: remove duplicated messages
Add nil check
package ubuntu: add Ubuntu code name "utopic"

"Utopic Unicorn" has been released in Oct 24 2014.
Enable zlib and LZ4 if they are available by default

zlib and LZ4 support are experimental but their features aren't used
unless users use `COMPRESS_ZLIB` or `COMPRESS_LZ4` flag explicitly. So
we enable them (if they are available) by default.
cmake: fix description
cmake: enable zlib and LZ4 if they are available by default
Merge pull request #232 from naoa/tokenize-support-token_filters

tokenize: support token filters

Patch by Naoya Murakami. Thanks!!!