Code Cleanup

- Broke out all the interactive stuff into it's own source file.

src/Makefile.am

@@ -4,6 +4,7 @@ task_SOURCES = Config.cpp Date.cpp Record.cpp T.cpp T2.cpp TDB.cpp TDB2.cpp   \
                Duration.cpp StringTable.cpp Location.cpp Subst.cpp Keymap.cpp \
                Nibbler.cpp Context.cpp color.cpp parse.cpp task.cpp edit.cpp  \
                command.cpp report.cpp util.cpp text.cpp rules.cpp import.cpp  \
+               interactive.cpp                                                \
                Config.h Date.h Record.h T.h TDB.h Att.h Filter.h Sequence.h   \
                Table.h Grid.h Timer.h Duration.h StringTable.h Location.h     \
                Subst.h Keymap.h Nibbler.h Context.h color.h task.h