Add JWT auth middleware

Changelog for v1.2.4:

• PR #4 feat: allow functional nil limiter.Met implementation by @LucasRoesler
• PR #5 Add JWT auth middleware by @welteki

Commits
9f00ae1 feat: allow functional nil limiter.Met implementation by @LucasRoesler
dabce8d Only print key ids on debug by @welteki
fea2e57 Let the jwt package handle casting the keys to the required type by @welteki
49dfd9f Rename httpUnauthorized function -> writeUnauthorized by @welteki
5e10d7e Configure JWT auth middleware through options struct by @welteki
15fcf4b Add X-OpenFaaS-Internal header for auth middleware by @welteki
6a1ff30 Add JWT auth middleware by @welteki

Changes: v1.2.3...v1.2.4

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Add X-OpenFaaS-Internal header when getting to maximum concurrency

Changelog for v1.2.3:

Commits
6925702 Add X-OpenFaaS-Internal header for concurrency limiting by @alexellis

Changes: v1.2.2...v1.2.3

Generated by Derek

Add interface for checking limit

Changelog for v1.2.2:

Commits
fcf59bb Add interface for limiting by @alexellis

Changes: v1.2.1...v1.2.2

Generated by Derek

Use text/plain content-type when returning an error due to max_inflight being met

Changelog for v1.2.1:

Commits
e717845 Return text/plain for errors by @alexellis

Changes: v1.2.0...v1.2.1

Generated by Derek

Fix for when max_inflight was set to zero

Changelog for v1.2.0:

Commits
70b397a Fix issue with multiple header writes by @alexellis

Changes: v1.1.0...v1.2.0

Generated by Derek

Expose whether limit is met on limiter

Changelog for v1.1.0:

• PR #3 Expose whether limit is met on limiter by @alexellis

Commits
60ba4d0 Expose whether limit is met on limiter by @alexellis

Changes: v1.0.0...v1.1.0

Generated by Derek

Initial release

Changelog for v1.0.0:

• PR #2 Add CONTRIBUTING.md by @sargun
• PR #1 Add concurrency limiter by @sargun

Commits
ace4eb2 Update Derek to redirect to faas repo by @alexellis
6a78c3a Add CONTRIBUTING.md by @sargun
126d026 Add concurrency limiter. by @sargun
86bf0d2 Initial commit by @alexellis

Generated by Derek