Fix build scripts to work when using BuildNGLayout{Debug}.pl to both pull and build (configure after the checkout), and fix MozJar.pm to generate correct paths in installed-chrome.txt when not using jar files.

build/mac/BuildNGLayout.pl

@@ -193,10 +193,10 @@ else
 Moz::StopForErrors();
 #Moz::DontStopForErrors();
 
-ConfigureBuildSystem();
-
 Checkout();
 
+ConfigureBuildSystem();
+
 my(@gen_files) = (
     ":mozilla:xpfe:appshell:public:nsBuildID.h",
     ":mozilla:xpfe:browser:resources:locale:en-US:navigator.dtd"

build/mac/BuildNGLayoutDebug.pl

@@ -190,10 +190,10 @@ else
 Moz::StopForErrors();
 #Moz::DontStopForErrors();
 
-ConfigureBuildSystem();
-
 Checkout();
 
+ConfigureBuildSystem();
+
 chdir($MOZ_SRC);
 BuildDist();
 

build/mac/MozJar.pm

@@ -418,7 +418,7 @@ sub registerChromePackage($$$$$$)
     if ($main::options{use_jars}) {
         $chrome_entry = "$chrome_type,install,url,jar:resource:/chrome/$manifest_subdir!/$chrome_type/$pkg_name";
     } else {
-        $manifest_subdir =~ s/\.jar$/\//;
+        $manifest_subdir =~ s/\.jar$//;
         $chrome_entry = "$chrome_type,install,url,resource:/chrome/$manifest_subdir/$chrome_type/$pkg_name";
     }