GKeyFile: improve introspection annotations
GKeyFile: improve introspection annotations

Ensure that all methods that take or return arrays are annotated
(including length). Mark ref, unref and free methods as (skip).

https://bugzilla.gnome.org/show_bug.cgi?id=590808

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