man pages: document the order of schema overrides
man pages: document the order of schema overrides

GSettings overrides are processed in such a way that
alphabetically-later files have precedence over earlier files (eg: 20_
will beat 10_).  Document that fact.

mzabaluev/glib,mzabaluev/glib,bluez-android/glib,krichter722/glib,cosimoc/glib,bluez-android/glib,cosimoc/glib,cosimoc/glib,justinkb/aosp-bluez.glib,bluez-android/glib,01org/android-bluez-glib,01org/android-bluez-glib,cention-sany/glib,pstglia/external-bluetooth-glib,darren-clark/android_platform_external_bluetooth_glib,mzabaluev/glib,darren-clark/android_platform_external_bluetooth_glib,gale320/glib,cention-sany/glib,ieei/glib,cosimoc/glib,iConsole/Console-OS_external_bluetooth_glib,MathieuDuponchelle/glib,MathieuDuponchelle/glib,iConsole/Console-OS_external_bluetooth_glib,pstglia/external-bluetooth-glib,darren-clark/android_platform_external_bluetooth_glib,ieei/glib,ieei/glib,iConsole/Console-OS_external_bluetooth_glib,endlessm/glib,cention-sany/glib,tchakabam/glib,mzabaluev/glib,tchakabam/glib,krichter722/glib,bluez-android/glib,pstglia/platform-external-bluetooth-glib,krichter722/glib,mzabaluev/glib,tamaskenez/glib,tchakabam/glib,tchakabam/glib,pstglia/platform-external-bluetooth-glib,iConsole/Console-OS_external_bluetooth_glib,johne53/MB3Glib,endlessm/glib,pstglia/external-bluetooth-glib,gale320/glib,01org/android-bluez-glib,Distrotech/glib,cention-sany/glib,krichter722/glib,tchakabam/glib,Distrotech/glib,ieei/glib,lukasz-skalski/glib,djdeath/glib,tamaskenez/glib,pstglia/platform-external-bluetooth-glib,lukasz-skalski/glib,bluez-android/glib,djdeath/glib,johne53/MB3Glib,MathieuDuponchelle/glib,johne53/MB3Glib,pstglia/platform-external-bluetooth-glib,tamaskenez/glib,gale320/glib,gale320/glib,justinkb/aosp-bluez.glib,johne53/MB3Glib,justinkb/aosp-bluez.glib,tamaskenez/glib,justinkb/aosp-bluez.glib,pstglia/external-bluetooth-glib,djdeath/glib,gale320/glib,djdeath/glib,darren-clark/android_platform_external_bluetooth_glib,iConsole/Console-OS_external_bluetooth_glib,MathieuDuponchelle/glib,Distrotech/glib,djdeath/glib,Distrotech/glib,johne53/MB3Glib,lukasz-skalski/glib,cention-sany/glib,krichter722/glib,01org/android-bluez-glib,lukasz-skalski/glib,01org/android-bluez-glib,tamaskenez/glib,endlessm/glib,johne53/MB3Glib,lukasz-skalski/glib,justinkb/aosp-bluez.glib,cosimoc/glib,ieei/glib,Distrotech/glib,darren-clark/android_platform_external_bluetooth_glib,pstglia/external-bluetooth-glib,pstglia/platform-external-bluetooth-glib,MathieuDuponchelle/glib,endlessm/glib,endlessm/glib