add view only mode
for better style
bigger title font size, hide paragraph control buttons when report(view only) mode
Improve start/stop behavior and take care of exit code
disable resizing table on report mode
Merge pull request #246 from NFLabs/view-only-mode

add view only mode
Merge pull request #249 from NFLabs/daemon_script_start_stop_behavior

Improve zeppelin-daemon.sh script behavior.
fix indent
fix i tag closing
Merge pull request #250 from NFLabs/fix-indent-html

fix indent