Updated cxserver src and node_module/html-entities

src Log:
* cd29238 Handle block tags inside inline tags
* 54deef4 Better error reporting in the wrapper scripts
* 94a3c24 Add native HTML translation method
* 053d37f Simple GET API to fetch translations
* b8be7bb Markup-preserving wrapper for Apertium

Change-Id: I2cdfc8c36a4c651a85a9859c114778c59e979631