Simplify runTx

Do GitHub imports properly

update remix version

Fix storage issues on some browsers

Support debugging failed transactions

Also introduces finer error reporting why the import failed (404, 300, etc.)

Fix optimize flag handling

Fix click handler for warnings/errors

Fix gather imports

Fix execution context change (Web3 & RPC)

Resolve the confusing behaviour of QueryParams

Update ballot contract to solidity 0.4.0.

This wasn't fully working and would create a complex code (at least now)

Compile button and option to disable automatic compilation

Load versions from list.json