[Azoth Xoox] Fixed a typo.
[Azoth] Use parent entry instead of other part.

For #1504.
[Rosenthal] Added plugin stubs for #1507.
[Rosenthal] Moved spellchecker logic from Azoth Rosenthal.

Closes #1507.
[Rosenthal] Fixed copypaste issue.
[Rosenthal] Added translations.
[Rosenthal] Support multiple dictionaries, closes #1506.
[Popishu] Added missing breaks.
[Popishu] Avoid std::auto_ptr.
[Popishu] Use enum classes.
[Azoth] Remember last file path in file send, closes #1505.
[Azoth] Use home path instead of PWD.
[Popishu] Removed unused function.
[Popishu] Open is now a QToolButton with recent menu.
[Popishu] Removed "File" window menu.
[Popishu] Read from the file via QScintilla means.
[Popishu] Refactored stuff to SetupDefPairs().
[Popishu] Got rid of window menus at all.