doc: update MySQL version

5.5.31 ->
5.6.17
  ^ ^^
Merge pull request #8 from cosmo0920/update-doc-mysql-version

doc: update MySQL version

Patch by cosmo0920. Thanks!!!
apt: update packages for MySQL 5.5.37

Mroonga packages are rebuilt for jessie,unstable,precise,saucy and trusty.
package debian: add missing dependencies
doc udf mroonga_escape: simplify
Add 4.02 entry
wrapper: don't use truncate for "DELETE FROM table"
test: update the expected result
doc: update 4.02 entry
travis: use released version
travis: enable debug print
Revert "travis: enable debug print"

This reverts commit b33dc48dc90ad26b7a03bf323771e8b95ded2fe7.
travis: show downloaded script
travis: follow how to download raw data change on GitHub
doc: translate
doc install: improve descriptions
doc ja: translate
doc: remove garbage
doc install: improve
Bump version

    % make update-version NEW_VERSION_MAJOR=4 NEW_VERSION_MINOR=0 NEW_VERSION_MICRO=2