[FEATURE] Advanced: Allow user to set max fee
[TASK] Style: Refactor id="idname" to #idname
[TASK] Style: Refactor class="classname" to .classname
RT-2539 Better tejMaxFeeExceeded error message
[FEATURE] Advanced: Add XRP unit into max fee input box
Merge pull request #26 from rht/develop

[Feature] Advanced: Allow user to set max fee