Refactor Hit.render()
Refactor Hit.render()

Create two new functions and fix eslint offences in the respective
bits: headerJSX and contentJSX

Signed-off-by: Anurag Priyam <6e6ab5ea9cb59fe7c35d2a1fc74443577eb60635@gmail.com>

yeban/sequenceserver,yeban/sequenceserver,yeban/sequenceserver,yeban/sequenceserver