DESIGN: Sarting the translation display page.
FEATURE: Edit lines one by one.
FEATURE: Highlights corresponding units.
FIX: Hidden translation display in Firefox.
FIX: Split and join without edit mode.
DESIGN: Better design of the whole application.

Added header and footer.
DESIGN: Works page.
DESIGN: Improved the work page.
FIX: Concordance link works, and some layout.
FIX: Split buttons on work page, and double dblclick issue.
FIX: Removed "Original" and added "Anonymus".
FIX: Concordance accepts empty lines on "original" text.
FEATURE: Display language names in current language.

For now from a static json file.
FIX: Better concordance form and results table.
FIX: In works page language names were hidden when closed.
SECRET: robots.txt
API: jquery local in the project.

Helps to develop locally when offline (google not accessible)
Merge pull request #55 from franck-eyraud/master

UI: Improvements in ergonomics and styling.