Enhancements related to v1.1.2 issues created

• Not reloading the claim button with every request (removing flicker effect).
• Fixing hover colors for colored buttons.
• Showing train id besides all train messages sent to slack
• Skipping checks like- 'Train already closed'/ 'Train is not the latest train.'/ 'Train is deploying.' When claiming the engineer role.

Fixes to buttons logic from 1.1.0

-Removing checked in env file
-Fixing logic on when to show claim and redeploy buttons from 1.1.0

Development Upgrades

Fixing Golang version to 1.1.13

Migrating from glide to modules for Golang dependencies management

Fixing security vulnerabilities from older dependencies

Showing phase and job IDs on UI

Adding Retry Deploy button

Adding Claim Engineer button

Adding setup to deploy conductor locally on nginx on Mac (outside docker)

Adding ./nativeMacSetup and ./dockerSetup scripts to setup your local conductor environment in one step

Adding instruction to live debug

Updating README with more extensive development and debugging instructions

Updating Codeowner