Consider more transforms to address lint warnings

[GoodForOneFare]

Warning	Count	Github Issue
camelcase	1267
eol-last	819	Autofix by eslint #68
sort-class-members/sort-class-members	739
no-unused-vars	654
consistent-return	633
babel/arrow-parens	529
prefer-const	382	#137
dot-notation	312	#111
shopify/jquery-dollar-sign-reference	196	#107 (partial fix)
no-empty-function	178	#110 (partial fix)
shopify/prefer-class-properties	166
newline-per-chained-call	152
id-length	141
block-scoped-var	124
no-unused-expressions	95
lodash/prop-shorthand	71
func-style	62
lodash/preferred-alias	54
shopify/binary-assignment-parens	48
no-implicit-coercion	44	#105
consistent-this	34
shopify/prefer-early-return	32
quotes	27
no-extra-semi	21
lodash/collection-method-value	20
no-console	16
no-empty	14	#109 (partial fix)
lodash/chain-style	13
prefer-template	9
no-sequences	8
shopify/sinon-prefer-meaningful-assertions	8	#81
lodash/no-single-chain	6
yoda	6
comma-dangle	5
no-new	5
promise/catch-or-return	5
babel/object-shorthand	3
no-nested-ternary	3
no-alert	2
no-extra-boolean-cast	2
no-inner-declarations	2
no-throw-literal	2
operator-assignment	2
lodash/matches-shorthand	1
lodash/prefer-flat-map	1
space-infix-ops	1

[lemonmade]

I definitely want to solve the prefer const, particularly for for of loops, which appear to consistently use let.

[xndyz]

I can work on a prefer const in for of when no reassignment in scope transform.

[lemonmade]

@Fandy no need, I corrected it in the jscodemod/no-vars transform, it should be available for us to use.

[lemonmade]

I'm going to close this because I think we've addressed about as many of these as we can.