[jaeger] define securityContext for each resources

[eumel8]

What this PR does

At least and especially for the all-in-one installation securityContext was missing which brings a bad experienance if you start with Jaeger. This PR

• add missing podSecurityContext/securityContext all-in-one
• add a global defintion for podSecurityContext/securityContext
• re-define value for each kind of workload
• conditions for other optional resource

Which issue this PR fixes

• fixes #41

Checklist

• [x] DCO signed
• [x] Commits are GPG signed
• [x] Chart Version bumped
• [x] Title of the PR starts with chart name ([jaeger] or [jaeger-operator])
• [x] README.md has been updated to match version/contain new values

[eumel8]

@pavelnikolov no problem. Everyone complains the lack of open source contribution and then it takes months to review a PR. I had this very often and I ask me: What's wrong with my PR's.

[pavelnikolov]

I'm sorry for closing it.