Cleans exception raising for C exported API. Refs #1650.
Patches upstream try_insert_id. Refs #1650.
Merge branch 'feature/t1650_safe_exported_api' into develop
Prettifies exception logging. Refs #1650.
Embeds settings in navigation hierarchy. Refs #1.
Transforms settings vc into static table. Refs #1.
Adds basic contact screen. Refs #1.
Adds contact log and some interaction. Refs #1.
Implements basic email interaction. Refs #1.
Adds nakefile and external submodule to render rst. Refs #1.
Adds generated html to xcode targets. Refs #1.
Adds basic webview displaying embedded HTML. Refs #1.
Changes reference folder to manual inclusion. Refs #1.

As usual, xcode is crap and doesn't update files otherwise.
Adds basic webview handlers. Refs #1.
Fixes title not appearing. Refs #1.
Checks opening external urls, adds email handler. Refs #1.
Makes EHWeb_vc open local files spawning a new vc. Refs #1.
Documents changes since release of v1. Refs #1.
Customizes html style for embedded docs. Refs #1.
Disables html modification, seems to mangle stuff. Refs #1.