fix osx translations

contrib/make_locale

@@ -43,7 +43,7 @@ if crowdin_api_key:
 
 # Download & unzip
 print('Download translations')
-s = requests.request('GET', 'https://crowdin.com/download/project/' + crowdin_identifier + '.zip').content
+s = requests.request('GET', 'https://crowdin.com/backend/download/project/' + crowdin_identifier + '.zip').content
 zfobj = zipfile.ZipFile(io.BytesIO(s))
 
 print('Unzip translations')

contrib/travis/before_install-osx.sh

@@ -11,12 +11,22 @@ cd build
 brew update
 brew install zebra-lucky/qt5/qt5
 brew install gettext
+brew upgrade gmp
 
 curl -O https://www.python.org/ftp/python/3.6.5/python-3.6.5-macosx10.6.pkg
 curl -O https://bootstrap.pypa.io/get-pip.py
 sudo installer -pkg python-3.6.5-macosx10.6.pkg -target /
 sudo python3 get-pip.py
 
+
+mkdir libusb
+curl https://homebrew.bintray.com/bottles/libusb-1.0.22.el_capitan.bottle.tar.gz | tar xz --directory libusb
+cp libusb/libusb/1.0.22/lib/libusb-1.0.dylib .
+
+curl -O -L https://github.com/zebra-lucky/secp256k1/releases/download/0.1/libsecp256k1-0.1-osx.tgz
+tar -xzf libsecp256k1-0.1-osx.tgz
+cp libsecp256k1/libsecp256k1.0.dylib .
+
 sudo pip3 install SIP==4.19.8
 sudo pip3 install PyQt5==5.7.1
 sudo pip3 install Cython==0.28.1