Roll-back the scim-tables integration.
Disable skim support for this release.
Update po files.
Fix gettext usage.
Remove auto-generated files.
Don't run intltoolize everytime. Remove po/scim-tables.pot.
Pass CXXFLAGS="-Werror -Wformat -Werror=format-security".
Remove the usage of deprecated symbols.
Fix gettext problem of scim-pinyin; disable skim support temporarily.
Fix scim-tables' gettext problem.