[enh] Build release: leveldown is an addon and must be compiled

release/arch/linux/build-lin.sh

@@ -193,6 +193,7 @@ node-pre-gyp --runtime=node-webkit --target=$NW_VERSION configure \
 cd "${RELEASES}/desktop_/node_modules/"
 nw_compile wotb nw_copy
 nw_compile naclb nw_copy
+nw_compile leveldown nw_copy
 nw_compile scryptb nw_copy
 nw_compile sqlite3 nw_copy_node
 

release/arch/windows/build.bat

@@ -91,6 +91,11 @@ call npm install --build-from-source
 call node-pre-gyp --runtime=node-webkit --target=%NW_VERSION% --msvs_version=2015 configure
 call node-pre-gyp --runtime=node-webkit --target=%NW_VERSION% --msvs_version=2015 build
 copy %cd%\lib\binding\Release\node-webkit-%NW_RELEASE%-win32-x64\naclb.node %cd%\lib\binding\Release\node-v%ADDON_VERSION%-win32-x64\naclb.node /Y
+cd ../leveldown
+call npm install --build-from-source
+call node-pre-gyp --runtime=node-webkit --target=%NW_VERSION% --msvs_version=2015 configure
+call node-pre-gyp --runtime=node-webkit --target=%NW_VERSION% --msvs_version=2015 build
+copy %cd%\lib\binding\Release\node-webkit-%NW_RELEASE%-win32-x64\leveldown.node %cd%\lib\binding\Release\node-v%ADDON_VERSION%-win32-x64\leveldown.node /Y
 cd ../scryptb
 call npm install --build-from-source
 call node-pre-gyp --runtime=node-webkit --target=%NW_VERSION% --msvs_version=2015 configure