Your transaction was confirmed in block 456497.

https://www.blocktrail.com/BTC/tx/c56812b93a30226b2b43549444ae51ca937b65a6aa993c0fda07aa20ca4f7427

If you click the 456497 in the page linked above, blocktrail's explorer opens the page linked below, which shows that block was mined by ViaBTC, so the ViaBTC pool confirmed your transaction for you.

https://www.blocktrail.com/BTC/block/000000000000000001ec09c6aaabc4292f9ae11a8b86da5f42a9b2b0f6a111cd

You can speed it up by using the website linked below. Afterwards it will be in the next block that the viabtc pool mines.

https://www.viabtc.com/tools/txaccelerator/

don't go setting fees manually. use the dynamic fees option in preferences. also upgrade to the latest electrum version if you can because it gives you more options should your transaction get stuck again (it shouldn't though if you use dynamic fees)