Molpro 2012: minor change to parse SCF Energies

Several errors were present because the parser was expecting a line to match 'ENERGY' but the 2012 version prints 'Energy' instead.

Fixes 10 of the errors:

```
adam@mqair:~/cclib/test$ diff -u master-testall3.txt molpro-testall3.txt 
--- master-testall3.txt	2014-03-05 15:49:42.000000000 -0800
+++ molpro-testall3.txt	2014-03-05 15:53:48.000000000 -0800
@@ -51,11 +51,11 @@
 ********* SUMMARY PER PACKAGE ****************
                Total	Passed	Failed	Errors	Skipped
 Molpro2006       67	 61	  0	  2	  4
-Molpro2012       67	 48	  0	 15	  4
+Molpro2012       67	 58	  0	  5	  4
 
 
 ********* SUMMARY OF EVERYTHING **************
-TOTAL: 134	PASSED: 109	FAILED: 0	ERRORS: 17	SKIPPED: 8
+TOTAL: 134	PASSED: 119	FAILED: 0	ERRORS: 7	SKIPPED: 8
 
 
 *** Visual tests ***
```