support newer evolution-data-server

Evolution-data-server 3.6 series has been released (with gnome 3.6). Maya fails to build with this new release:

In file included from /usr/include/evolution-data-server-3.6/libecal/e-cal-client.h:31:0,
                 from /tmp/portage/app-office/maya-9999/work/maya-9999_build/Maya/Model/CalendarModel.c:22:
/usr/include/evolution-data-server-3.6/libecal/e-cal-client-view.h:22:2: error: #error "Only <libecal/libecal.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libecal/e-cal-client.h:32:0,
                 from /tmp/portage/app-office/maya-9999/work/maya-9999_build/Maya/Model/CalendarModel.c:22:
/usr/include/evolution-data-server-3.6/libecal/e-cal-recur.h:24:2: error: #error "Only <libecal/libecal.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libecal/e-cal-recur.h:30:0,
                 from /usr/include/evolution-data-server-3.6/libecal/e-cal-client.h:32,
                 from /tmp/portage/app-office/maya-9999/work/maya-9999_build/Maya/Model/CalendarModel.c:22:
/usr/include/evolution-data-server-3.6/libecal/e-cal-component.h:22:2: error: #error "Only <libecal/libecal.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libecal/e-cal-client.h:33:0,
                 from /tmp/portage/app-office/maya-9999/work/maya-9999_build/Maya/Model/CalendarModel.c:22:
/usr/include/evolution-data-server-3.6/libecal/e-cal-util.h:22:2: error: #error "Only <libecal/libecal.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libecal/e-cal-util.h:30:0,
                 from /usr/include/evolution-data-server-3.6/libecal/e-cal-client.h:33,
                 from /tmp/portage/app-office/maya-9999/work/maya-9999_build/Maya/Model/CalendarModel.c:22:
/usr/include/evolution-data-server-3.6/libecal/e-cal-component.h:22:2: error: #error "Only <libecal/libecal.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libecal/e-cal-util.h:31:0,
                 from /usr/include/evolution-data-server-3.6/libecal/e-cal-client.h:33,
                 from /tmp/portage/app-office/maya-9999/work/maya-9999_build/Maya/Model/CalendarModel.c:22:
/usr/include/evolution-data-server-3.6/libecal/e-cal-recur.h:24:2: error: #error "Only <libecal/libecal.h> should be included directly."
In file included from /tmp/portage/app-office/maya-9999/work/maya-9999_build/Maya/Model/CalendarModel.c:23:0:
/usr/include/evolution-data-server-3.6/libecal/e-cal-client-view.h:22:2: error: #error "Only <libecal/libecal.h> should be included directly."
In file included from /tmp/portage/app-office/maya-9999/work/maya-9999_build/Maya/Model/CalendarModel.c:26:0:
/usr/include/evolution-data-server-3.6/libecal/e-cal-component.h:22:2: error: #error "Only <libecal/libecal.h> should be included directly."
/tmp/portage/app-office/maya-9999/work/maya-9999_build/Maya/Model/CalendarModel.c:27:43: fatal error: libedataserver/e-source-group.h: No such file or directory
compilation terminated.
make[2]: *** [CMakeFiles/maya.dir/Maya/Model/CalendarModel.c.o] Error 1
make[2]: Leaving directory `/tmp/portage/app-office/maya-9999/work/maya-9999_build'
make[1]: *** [CMakeFiles/maya.dir/all] Error 2
make[1]: Leaving directory `/tmp/portage/app-office/maya-9999/work/maya-9999_build'
make: *** [all] Error 2

This is on Gentoo Linux with maya from trunk and eds 3.6.1