Improve .gitignore

gio/tests/.gitignore

@@ -20,6 +20,7 @@ gapplication
 gapplication-example-open
 gapplication-example-cmdline
 gapplication-example-cmdline2
+gapplication-example-cmdline3
 gapplication-example-actions
 gdbus-addresses
 gdbus-bz627724

glib/tests/.gitignore

@@ -4,6 +4,7 @@ bookmarkfile
 checksum
 collate
 convert
+dataset
 date
 dir
 environment
@@ -16,6 +17,7 @@ hostutils
 keyfile
 list
 logging
+mappedfile
 markup-collect
 markup-escape
 markup-parse
@@ -35,7 +37,9 @@ shell
 slist
 strfuncs
 string
+sort
 testing
+timeout
 tmpsample.xml
 tree
 uri

gobject/tests/.gitignore

@@ -1,5 +1,10 @@
 binding
+boxed
 dynamictests
+enums
+ifaceproperties
+param
 properties
 reference
+signals
 threadtests

m4macros/.gitignore

@@ -3,3 +3,4 @@ ltoptions.m4
 ltsugar.m4
 ltversion.m4
 lt~obsolete.m4
+gtk-doc.m4