vendor: lineage: Upgrade to LineageOS 15.1

 * Update backuptool versions
 * Update text references
 * Set version minor to 1

Change-Id: I30eea1f1cb01e2165311364cc62b589669bb1290
diff --git a/README.mkdn b/README.mkdn
index 85a687e..f70e24f 100644
--- a/README.mkdn
+++ b/README.mkdn
@@ -11,7 +11,7 @@
     (Go to repo you are patching, make your changes and commit)
     lineagegerrit <for(new)/changes(patch set)> <branch/change-id> 
 
-    repo start lineage-15.0 .
+    repo start lineage-15.1 .
     (Make your changes and commit)
     repo upload .
 Note: "." meaning current directory
@@ -31,7 +31,7 @@
 
 To initialize your local repository using the LineageOS trees, use a command like this:
 
-    repo init -u git://github.com/LineageOS/android.git -b lineage-15.0
+    repo init -u git://github.com/LineageOS/android.git -b lineage-15.1
 
 Then to sync up:
 
diff --git a/config/common.mk b/config/common.mk
index 05a970c..841ad78 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -236,7 +236,7 @@
 DEVICE_PACKAGE_OVERLAYS += vendor/lineage/overlay/common
 
 PRODUCT_VERSION_MAJOR = 15
-PRODUCT_VERSION_MINOR = 0
+PRODUCT_VERSION_MINOR = 1
 PRODUCT_VERSION_MAINTENANCE := 0
 
 ifeq ($(TARGET_VENDOR_SHOW_MAINTENANCE_VERSION),true)
diff --git a/prebuilt/common/bin/50-lineage.sh b/prebuilt/common/bin/50-lineage.sh
index 00dcf08..cf9d815 100755
--- a/prebuilt/common/bin/50-lineage.sh
+++ b/prebuilt/common/bin/50-lineage.sh
@@ -1,7 +1,7 @@
 #!/sbin/sh
 #
 # /system/addon.d/50-lineage.sh
-# During a LineageOS 15.0 upgrade, this script backs up /system/etc/hosts,
+# During a LineageOS 15.1 upgrade, this script backs up /system/etc/hosts,
 # /system is formatted and reinstalled, then the file is restored.
 #
 
diff --git a/prebuilt/common/bin/backuptool.functions b/prebuilt/common/bin/backuptool.functions
index dd867c0..de6eb42 100644
--- a/prebuilt/common/bin/backuptool.functions
+++ b/prebuilt/common/bin/backuptool.functions
@@ -5,7 +5,7 @@
 
 export C=/tmp/backupdir
 export S=/system
-export V=15.0
+export V=15.1
 
 copy_file() {
   cp -dp "$1" "$2"
diff --git a/prebuilt/common/bin/backuptool.sh b/prebuilt/common/bin/backuptool.sh
index ca823b4..eba625d 100755
--- a/prebuilt/common/bin/backuptool.sh
+++ b/prebuilt/common/bin/backuptool.sh
@@ -5,7 +5,7 @@
 
 export C=/tmp/backupdir
 export S=/system
-export V=15.0
+export V=15.1
 
 # Scripts in /system/addon.d expect to find backuptool.functions in /tmp
 cp -f /tmp/install/bin/backuptool.functions /tmp
diff --git a/vendorsetup.sh b/vendorsetup.sh
index d172707..dcc20c3 100644
--- a/vendorsetup.sh
+++ b/vendorsetup.sh
@@ -1,4 +1,4 @@
-for combo in $(curl -s https://raw.githubusercontent.com/LineageOS/hudson/master/lineage-build-targets | sed -e 's/#.*$//' | grep lineage-15.0 | awk '{printf "lineage_%s-%s\n", $1, $2}')
+for combo in $(curl -s https://raw.githubusercontent.com/LineageOS/hudson/master/lineage-build-targets | sed -e 's/#.*$//' | grep lineage-15.1 | awk '{printf "lineage_%s-%s\n", $1, $2}')
 do
     add_lunch_combo $combo
 done