Changes: Update default plugin name
Changes: Update default plugin name

RevBy: Michael Hasselmann
The reference plugin has changed filename in
https://gitorious.org/maliit/maliit-plugins/merge_requests/15

Full, original commit at 850e851fbf461b783b4eb4da0540671109524c29 in maliit-framework

maliit/inputcontext-qt4,maliit/inputcontext-qt4,perencia/inputcontext-qt4