Update en.json
Update footer.html
Added auto-resize directive for textareas
Improved criterion expand button look
processed new locale file
added info icon to start text
Changed info icon color in tips
Update en.json

removed INTRO_START_2 and INTRO_START_3 (merged the text into INTRO_START_1)
Merge branch 'master' into development
Updated view for locale
Fix color contrast #176
Step 4: change style for [level] indication #167
Start: header spacing #171
Targets for key resources #169
References to key resources #168