add false positives and correct spelling to have a clean spellcheck run on centos 7

doc/src/compute_gyration_shape.txt

@@ -24,7 +24,7 @@ compute 1 molecule gyration/shape pe :pre
 
 Define a computation that calculates the eigenvalues of the gyration tensor of a
 group of atoms and three shape parameters. The computation includes all effects
-due to atoms passing thru periodic boundaries.
+due to atoms passing through periodic boundaries.
 
 The three computed shape parameters are the asphericity, b, the acylindricity, c,
 and the relative shape anisotropy, k:

doc/utils/sphinx-config/false_positives.txt

@@ -71,6 +71,7 @@ AlO
 Alonso
 amap
 Amatrix
+AMD
 amino
 Amirjalayer
 Amit
@@ -280,6 +281,7 @@ Bryantsev
 Btarget
 btype
 buckPlusAttr
+builtin
 Bulatov
 Bureekaew
 burlywood
@@ -518,6 +520,7 @@ Dasgupta
 dashpot
 dat
 datafile
+datatype
 datums
 Davidchack
 Daw
@@ -1509,6 +1512,7 @@ logfreq
 logicals
 Lomdahl
 Lond
+lookup
 lookups
 Lookups
 LoopVar
@@ -2034,6 +2038,7 @@ openmp
 openmpi
 opls
 Oppelstrup
+optimizations
 orangered
 organometallic
 orientational
@@ -2489,6 +2494,7 @@ Schulten
 Schunk
 Schuring
 Schwen
+screenshots
 Scripta
 sdk
 sdpd