gnucash maint: Bug 516920 - Calendar Pop up disappears of the left side

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Updated	 via  https://github.com/Gnucash/gnucash/commit/b798a6cd (commit)
	from  https://github.com/Gnucash/gnucash/commit/2a97675b (commit)



commit b798a6cdbd883480f88267f2a25def6eb8e7bb2c
Author: Robert Fewell <14uBobIT at gmail.com>
Date:   Tue Dec 27 11:53:49 2016 +0000

    Bug 516920 - Calendar Pop up disappears of the left side
    
    The last change did not check for the left screen edge. This update
    checks for the calendar pop up going over the left, right, and
    bottom edges of the screen. The top should not be an issue.



Summary of changes:
 src/gnome-utils/gnc-dense-cal.c | 30 +++++++++++++++++++-----------
 1 file changed, 19 insertions(+), 11 deletions(-)