Bug 719457 - Template for Home Mortgage Loan isn't properly nested.

Several account templates containted accounts with two parents, resulting to incorrect nesting.

	modified:   accounts/C/acctchrt_homeloan.gnucash-xea
	modified:   accounts/C/acctchrt_otherloan.gnucash-xea
	modified:   accounts/C/acctchrt_retiremt.gnucash-xea
	modified:   accounts/C/acctchrt_spouseretire.gnucash-xea
	modified:   accounts/en_GB/acctchrt_homeloan.gnucash-xea
	modified:   accounts/en_GB/acctchrt_otherloan.gnucash-xea
	modified:   accounts/en_GB/acctchrt_retiremt.gnucash-xea
	modified:   accounts/en_GB/acctchrt_spouseretire.gnucash-xea
Always use the price we display to calculate the current value of an account.
Merge branch 'maint'