BUG: Fix parsing of linux 2.6 /proc/meminfo format
BUG: Fix parsing of linux 2.6 /proc/meminfo format

Previously KWSys SystemInformation parsed this file assuming a strict
order and set of fields, but the order is not reliable.  This
generalizes the implementation to support any order and extra fields.

LucHermitte/ITK,paulnovo/ITK,InsightSoftwareConsortium/ITK,eile/ITK,PlutoniumHeart/ITK,paulnovo/ITK,itkvideo/ITK,LucHermitte/ITK,ajjl/ITK,eile/ITK,ajjl/ITK,malaterre/ITK,jmerkow/ITK,GEHC-Surgery/ITK,jmerkow/ITK,CapeDrew/DITK,BlueBrain/ITK,stnava/ITK,msmolens/ITK,eile/ITK,cpatrick/ITK-RemoteIO,cpatrick/ITK-RemoteIO,spinicist/ITK,LucHermitte/ITK,itkvideo/ITK,jcfr/ITK,blowekamp/ITK,spinicist/ITK,rhgong/itk-with-dom,CapeDrew/DITK,zachary-williamson/ITK,BRAINSia/ITK,fbudin69500/ITK,fbudin69500/ITK,biotrump/ITK,biotrump/ITK,heimdali/ITK,rhgong/itk-with-dom,fuentesdt/InsightToolkit-dev,InsightSoftwareConsortium/ITK,fuentesdt/InsightToolkit-dev,InsightSoftwareConsortium/ITK,richardbeare/ITK,GEHC-Surgery/ITK,LucHermitte/ITK,fbudin69500/ITK,CapeDrew/DITK,vfonov/ITK,BlueBrain/ITK,blowekamp/ITK,msmolens/ITK,stnava/ITK,stnava/ITK,fbudin69500/ITK,biotrump/ITK,vfonov/ITK,fbudin69500/ITK,blowekamp/ITK,itkvideo/ITK,Kitware/ITK,wkjeong/ITK,jcfr/ITK,malaterre/ITK,wkjeong/ITK,itkvideo/ITK,itkvideo/ITK,hjmjohnson/ITK,ajjl/ITK,daviddoria/itkHoughTransform,PlutoniumHeart/ITK,biotrump/ITK,heimdali/ITK,vfonov/ITK,heimdali/ITK,jmerkow/ITK,PlutoniumHeart/ITK,atsnyder/ITK,BlueBrain/ITK,GEHC-Surgery/ITK,LucasGandel/ITK,paulnovo/ITK,fedral/ITK,vfonov/ITK,eile/ITK,itkvideo/ITK,richardbeare/ITK,rhgong/itk-with-dom,InsightSoftwareConsortium/ITK,BRAINSia/ITK,atsnyder/ITK,hendradarwin/ITK,rhgong/itk-with-dom,fedral/ITK,blowekamp/ITK,wkjeong/ITK,CapeDrew/DITK,InsightSoftwareConsortium/ITK,spinicist/ITK,jcfr/ITK,fuentesdt/InsightToolkit-dev,wkjeong/ITK,spinicist/ITK,thewtex/ITK,LucHermitte/ITK,GEHC-Surgery/ITK,daviddoria/itkHoughTransform,hendradarwin/ITK,blowekamp/ITK,hinerm/ITK,msmolens/ITK,paulnovo/ITK,ajjl/ITK,biotrump/ITK,zachary-williamson/ITK,BRAINSia/ITK,Kitware/ITK,vfonov/ITK,LucHermitte/ITK,zachary-williamson/ITK,jmerkow/ITK,ajjl/ITK,thewtex/ITK,atsnyder/ITK,wkjeong/ITK,stnava/ITK,vfonov/ITK,atsnyder/ITK,daviddoria/itkHoughTransform,spinicist/ITK,jcfr/ITK,itkvideo/ITK,hendradarwin/ITK,atsnyder/ITK,PlutoniumHeart/ITK,fuentesdt/InsightToolkit-dev,daviddoria/itkHoughTransform,thewtex/ITK,CapeDrew/DITK,heimdali/ITK,atsnyder/ITK,jcfr/ITK,spinicist/ITK,ajjl/ITK,hjmjohnson/ITK,malaterre/ITK,hendradarwin/ITK,LucasGandel/ITK,stnava/ITK,atsnyder/ITK,richardbeare/ITK,Kitware/ITK,BRAINSia/ITK,stnava/ITK,PlutoniumHeart/ITK,paulnovo/ITK,fuentesdt/InsightToolkit-dev,PlutoniumHeart/ITK,LucasGandel/ITK,BlueBrain/ITK,hjmjohnson/ITK,hinerm/ITK,hendradarwin/ITK,richardbeare/ITK,vfonov/ITK,GEHC-Surgery/ITK,LucHermitte/ITK,CapeDrew/DCMTK-ITK,LucasGandel/ITK,hjmjohnson/ITK,BRAINSia/ITK,eile/ITK,msmolens/ITK,spinicist/ITK,vfonov/ITK,hjmjohnson/ITK,CapeDrew/DCMTK-ITK,zachary-williamson/ITK,LucasGandel/ITK,spinicist/ITK,hjmjohnson/ITK,cpatrick/ITK-RemoteIO,itkvideo/ITK,CapeDrew/DITK,daviddoria/itkHoughTransform,BRAINSia/ITK,BlueBrain/ITK,jmerkow/ITK,BlueBrain/ITK,malaterre/ITK,paulnovo/ITK,CapeDrew/DITK,ajjl/ITK,heimdali/ITK,atsnyder/ITK,InsightSoftwareConsortium/ITK,zachary-williamson/ITK,cpatrick/ITK-RemoteIO,hendradarwin/ITK,daviddoria/itkHoughTransform,hinerm/ITK,rhgong/itk-with-dom,Kitware/ITK,fbudin69500/ITK,fbudin69500/ITK,biotrump/ITK,LucasGandel/ITK,CapeDrew/DITK,malaterre/ITK,malaterre/ITK,fedral/ITK,eile/ITK,eile/ITK,PlutoniumHeart/ITK,blowekamp/ITK,LucHermitte/ITK,heimdali/ITK,wkjeong/ITK,hinerm/ITK,zachary-williamson/ITK,CapeDrew/DCMTK-ITK,jmerkow/ITK,eile/ITK,CapeDrew/DCMTK-ITK,fedral/ITK,zachary-williamson/ITK,ajjl/ITK,CapeDrew/DCMTK-ITK,hinerm/ITK,jmerkow/ITK,CapeDrew/DCMTK-ITK,LucasGandel/ITK,malaterre/ITK,hinerm/ITK,richardbeare/ITK,jcfr/ITK,zachary-williamson/ITK,cpatrick/ITK-RemoteIO,malaterre/ITK,stnava/ITK,wkjeong/ITK,fuentesdt/InsightToolkit-dev,BlueBrain/ITK,Kitware/ITK,biotrump/ITK,jcfr/ITK,hjmjohnson/ITK,msmolens/ITK,richardbeare/ITK,CapeDrew/DITK,rhgong/itk-with-dom,PlutoniumHeart/ITK,CapeDrew/DCMTK-ITK,stnava/ITK,hendradarwin/ITK,rhgong/itk-with-dom,daviddoria/itkHoughTransform,LucasGandel/ITK,hendradarwin/ITK,CapeDrew/DCMTK-ITK,atsnyder/ITK,fbudin69500/ITK,wkjeong/ITK,fuentesdt/InsightToolkit-dev,paulnovo/ITK,fedral/ITK,msmolens/ITK,vfonov/ITK,InsightSoftwareConsortium/ITK,BRAINSia/ITK,thewtex/ITK,paulnovo/ITK,GEHC-Surgery/ITK,cpatrick/ITK-RemoteIO,stnava/ITK,fedral/ITK,hinerm/ITK,jmerkow/ITK,thewtex/ITK,malaterre/ITK,jcfr/ITK,heimdali/ITK,itkvideo/ITK,heimdali/ITK,fedral/ITK,biotrump/ITK,spinicist/ITK,zachary-williamson/ITK,Kitware/ITK,fedral/ITK,rhgong/itk-with-dom,GEHC-Surgery/ITK,blowekamp/ITK,richardbeare/ITK,daviddoria/itkHoughTransform,thewtex/ITK,daviddoria/itkHoughTransform,blowekamp/ITK,eile/ITK,hinerm/ITK,CapeDrew/DCMTK-ITK,GEHC-Surgery/ITK,BlueBrain/ITK,hinerm/ITK,thewtex/ITK,msmolens/ITK,Kitware/ITK,cpatrick/ITK-RemoteIO,msmolens/ITK,cpatrick/ITK-RemoteIO,fuentesdt/InsightToolkit-dev,fuentesdt/InsightToolkit-dev