Fix boards manager package size issue

Because git ls-files was run in package directory, it didn't list tools directories, so these were not excluded from rsync, causing package to include local copy of tools. Fixed by changing into root directory before doing anything.

package/build_boards_manager_package.sh

@@ -8,7 +8,7 @@ if [ -z "$REMOTE_URL" ]; then
     echo "REMOTE_URL not defined, using default"
 fi
 echo "Remote: $REMOTE_URL"
-
+pushd ..
 # Figure out how will the package be called
 ver=`git describe --tags --always`
 package_name=esp8266-$ver
@@ -16,9 +16,9 @@ echo "Version: $ver"
 echo "Package name: $package_name"
 
 # Create directory for the package
-outdir=versions/$ver/$package_name
-srcdir=$PWD/..
-rm -rf versions/$ver
+outdir=package/versions/$ver/$package_name
+srcdir=$PWD
+rm -rf package/versions/$ver
 mkdir -p $outdir
 
 # Some files should be excluded from the package
@@ -58,7 +58,7 @@ $SED 's/tools.mkspiffs.path={runtime.platform.path}\/tools\/mkspiffs/tools.mkspi
  > $outdir/platform.txt
 
 # Zip the package
-pushd versions/$ver
+pushd package/versions/$ver
 echo "Making $package_name.zip"
 zip -qr $package_name.zip $package_name
 rm -rf $package_name
@@ -80,3 +80,4 @@ jq ".packages[0].platforms[0].version = \"$ver\" | \
     > package_esp8266com_index.json
 
 popd
+popd