Modified documentation following the recent changes

Some options in the input file have been renamed. The description
of the input file in the documentation has been modified accordingly.

doc/vasp/source/adv_example.cfg

@@ -3,14 +3,13 @@ EFERMI = -0.6
 
 [Group 1]
 SHELLS = 1 2
-EMIN = -7.6
-EMAX =  2.7
+EWINDOW = -7.6  2.7
 
 [Shell 1]
 # Ni shell
 IONS = 5 6 7 8
 LSHELL = 2
-RTRANSFORM =
+TRANSFORM =
   0.0 0.0 0.0 0.0 1.0
   0.0 0.0 1.0 0.0 0.0
 

doc/vasp/source/config.rst

@@ -102,7 +102,7 @@ of them will be ignored by config parser.
 
    In all cases when a division is performed the result must be integer. Otherwise,
    the matrices are considered to be inconsistent.
- - *EMIN*, *EMAX* (float): energy window. Should be given only if no excplicit groups
+ - *EWINDOW* (float, float): energy window. Should be given only if no excplicit groups
    is specified. Otherwise, the values are overriden by group parameters.
 
 
@@ -113,7 +113,12 @@ Defines a group of shells. Note that the group tag can be any string without whi
 It will be used to tag intermediate output files.
 
 **Required parameters:**
- - *SHELLS* ([int]): indices refering to shells forming the group.
- - *EMIN*, *EMAX*: the bottom and top of the energy window with respect to the Fermi level.
 
- 
+ - *SHELLS* ([int]): indices refering to shells forming the group.
+ - *EWINDOW* (float, float): the bottom and top of the energy window with respect to the Fermi level.
+
+**Optional parameters:**
+ - NORMALIZE (True/False): if True, orthogonalizetion is performed (default behavior).
+ - *NORMION* (True/False): if True, orthogonalization is performed on each site
+   separately; if False, all projectors of the group are orthogonalized together.
+