[server][testDBClientHatohol] Add a test that causes an exception due to an error of a SQLite3's statment.
[server][DBClientTest] Fix up the type of input parameters according to the coding convention.
[server][DBClientTest] Fix up the type of input parameters according to the coding convention.
[server][HostResourceQueryOption] Fix a bug that doesn't join the host table even when the hostgroups enumeration is in the condition.

Now 3 errors have happened by the patch due to the inappropriate
of the expected value. I will fix them in later commits.
[server][testHostResourceQueryOption] Fix an expected value that have been changed by the commit: 467e64bc.
[server][testHostResourceQueryOptionSubClasses] Fix an expected value that have been changed by the commit: 467e64bc.
[server][testHostResourceQueryOption] Clean up.
[server][DBClientTest] Use an efficient way.

Previously the for loop is repeated up to NumTestGoumaximum
In this patch, the maximum number of the loop is smaller than it.
[server][DBClientTest] Add a description of a function.
[server][HostResourceQueryOption] Replace an efficient way.
[server][DBClientTest] Hide a static variable to prevent it from being changed accidentally.
[server][DBClientTest] Clean up.
Revert "[server][testHostResourceQueryOptionSubClasses] Fix an expected value that have been changed by the commit: 467e64bc."

This reverts commit 5f2d3a27153f8e3bacabd91079e77356f653ed63.

In the query of hostgroup, it is not needed to do join, because
the table naturally has hostgroup id.
[server][HostResourceQueryOption] Make it easy to check if the joint with the hostgroup map table is needed.
[server][DBClientTest] Fix an indent of a comment.
[server][DBClientTest] Fix a bug that may redundantly return the same result in HostInfo query.
[server][DBAgent] Add a test for the member DBAgent::SelectExArg::useDistinct.
Merge branch 'master' into ready-release-14.03
[spec] Bump up the release number.
Merge branch 'ready-release-14.03' of github.com:project-hatohol/hatohol into ready-release-14.03