Used GcalFloatingContainer in the window.

Added styles.
Passed make-distcheck

src/Makefile.am

@@ -5,6 +5,8 @@ AM_CPPFLAGS =                                           \
   -DPACKAGE_DATA_DIR=\""$(pkgdatadir)"\"                \
 	-DUI_DATA_DIR=\""$(pkgdatadir)/style"\"               \
 	$(MAINTAINER_COMPILER_FLAGS)                          \
+	-Wall                                                 \
+  -g -O0                                                \
   $(CALENDAR_CFLAGS)
 
 AM_CFLAGS =                                             \
@@ -17,12 +19,17 @@ gnome_calendar_SOURCES =                                \
   main.c                                                \
   gcal-application.h                                    \
   gcal-application.c                                    \
+	gcal-floating-container.c                             \
+	gcal-floating-container.h                             \
 	gcal-main-toolbar.h                                   \
 	gcal-main-toolbar.c                                   \
 	gcal-window.h                                         \
 	gcal-window.c                                         \
 	gcal-month-view.c                                     \
 	gcal-month-view.h                                     \
+	gcal-manager.c                                        \
+	gcal-manager.h                                        \
+	gcal-utils.c                                          \
 	gcal-utils.h