Adding RLC to default

RLC should be in default:
- old project: since early 2017
https://coinmarketcap.com/currencies/rlc/
- nr 4 in volume and top 10 liquidity
https://mailchi.mp/blocklytics/uniswap-report-2019-02-05

src/ducks/addresses.js

@@ -50,6 +50,7 @@ const MAIN = {
       ['QCH', '0x755899F0540c3548b99E68C59AdB0f15d2695188'],
       ['REN', '0x43892992B0b102459E895B88601Bb2C76736942c'],
       ['REP', '0x48B04d2A05B6B604d8d5223Fd1984f191DED51af'],
+      ['RLC', '0xA825CAE02B310E9901b4776806CE25db520c8642'],
       ['RHOC', '0x394e524b47A3AB3D3327f7fF6629dC378c1494a3'],
       ['SALT', '0xC0C59cDe851bfcbdddD3377EC10ea54A18Efb937'],
       ['SNT', '0x1aEC8F11A7E78dC22477e91Ed924Fab46e3A88Fd'],
@@ -81,6 +82,7 @@ const MAIN = {
       '0x687BfC3E73f6af55F0CccA8450114D107E781a0e': '0x755899F0540c3548b99E68C59AdB0f15d2695188',
       '0x408e41876cCCDC0F92210600ef50372656052a38': '0x43892992B0b102459E895B88601Bb2C76736942c',
       '0x1985365e9f78359a9B6AD760e32412f4a445E862': '0x48B04d2A05B6B604d8d5223Fd1984f191DED51af',
+      '0x607F4C5BB672230e8672085532f7e901544a7375': '0xA825CAE02B310E9901b4776806CE25db520c8642',
       '0x168296bb09e24A88805CB9c33356536B980D3fC5': '0x394e524b47A3AB3D3327f7fF6629dC378c1494a3',
       '0x4156D3342D5c385a87D264F90653733592000581': '0xC0C59cDe851bfcbdddD3377EC10ea54A18Efb937',
       '0x744d70FDBE2Ba4CF95131626614a1763DF805B9E': '0x1aEC8F11A7E78dC22477e91Ed924Fab46e3A88Fd',
@@ -114,6 +116,7 @@ const MAIN = {
       ['QCH', '0x687BfC3E73f6af55F0CccA8450114D107E781a0e'],
       ['REN', '0x408e41876cCCDC0F92210600ef50372656052a38'],
       ['REP', '0x1985365e9f78359a9B6AD760e32412f4a445E862'],
+      ['RLC', '0x607F4C5BB672230e8672085532f7e901544a7375'],
       ['RHOC', '0x168296bb09e24A88805CB9c33356536B980D3fC5'],
       ['SALT', '0x4156D3342D5c385a87D264F90653733592000581'],
       ['SNT', '0x744d70FDBE2Ba4CF95131626614a1763DF805B9E'],