use pathinfo() instead of strtok()
to get the themes name.

Signed-off-by: Suki <suki@missallsunday.com>
Add a new generic string: $txt['upload']

Signed-off-by: Suki <suki@missallsunday.com>
Remove duplicated string

Signed-off-by: Suki <suki@missallsunday.com>
Merge pull request #2117 from MissAllSunday/theme_stuff

Theme stuff