configure.ac: add generate file

to display version in navbar.
[WebUI] add version constant providing js template
[WebUI] add display version navbar item
[WebUI][I18n] update po
[WebUI] load hatohol_version.js
update gitignore
[WebUI][test] add missing load js
[client][test] fix tests broken by adding display version navbar item
[client] fix indent
[client] rename Version -> Help
[client] add document link into Help into navbar dropdown item
[client] add missing end of comma(,)
[WebUI][I18n] update po
[client][test] fix broken tests by rename Version and add navbar item
Merge pull request #714 from cosmo0920/display-version-webui-js

[WebUI] Display Hatohol version into nabvar item

Close #170