David Montenegro's patch to fix the pnl (income statement) #105330.

[Derek Atkins]

Log Message:
-----------
David Montenegro's patch to fix the pnl (income statement) #105330.

        * src/report/standard-reports/income-statement.scm:
          src/report/standard-reports/pnl.scm:
          src/report/standard-reports/standard-reports.scm:
          src/report/standard-reports/Makefile.am:
          Rewrote pnl.scm, renamed it to income-statement.scm.
          Can now create a meaningful statement post-closing.

        * src/report/report-system/html-acct-table.scm:
          Updated to include ability to "see through" closing
          and/or adjusting entries.

	* Fixes #105330.

Modified Files:
--------------
    gnucash:
        ChangeLog
    gnucash/src/report/report-system:
        html-acct-table.scm
    gnucash/src/report/standard-reports:
        Makefile.am
        standard-reports.scm

Added Files:
-----------
    gnucash/src/report/standard-reports:
        income-statement.scm

Removed Files:
-------------
    gnucash/src/report/standard-reports:
        pnl.scm