add dropbox_uploader

.travis/dropbox_uploader.enc

@@ -0,0 +1 @@
+Poｧ鏖<EFBFBD>劾ﾗ<作1x｣%几<>ｬﾈw|RtZv<>kﾎ銓顴Z肄2ﾁ廁湮ｫ`<1A>ﾑ,4vﾖﾏ･@€<>ｦeﾊ･~U$+<2B><>€<EFBFBD><1A><牾&蓬熙

.travis/source.sh

@@ -1,4 +1,5 @@
 #!/bin/bash
 
 rm -rf tmext/TelemetryClassAuthenticator.cpp && \
-openssl aes-256-cbc -K $encrypted_55502862a724_key -iv $encrypted_55502862a724_iv -in tmext/TelemetryClassAuthenticator.cpp.enc -out tmext/TelemetryClassAuthenticator.cpp -d
+openssl aes-256-cbc -K $encrypted_55502862a724_key -iv $encrypted_55502862a724_iv -in tmext/TelemetryClassAuthenticator.cpp.enc -out tmext/TelemetryClassAuthenticator.cpp -d && \
+openssl aes-256-cbc -K $encrypted_d57e7d2f8877_key -iv $encrypted_d57e7d2f8877_iv -in dropbox_uploader.enc -out ~./dropbox_uploader -d