* define auth endpoints
* add intercepter with tests
* auth functions
* fix up the auth functions
* add functions for storing and saving the hashed password from the validator db
* validate strong password input and simplify jwt claims
* tests for db funcs
* comments for db funcs
* wrap up the authentication tests
* register auth srv
* use proper db iface package and check if existing password
* fix broken tests and add new test to check if password already exists
* use roughtime
* rlock to check the auth paths
* Merge refs/heads/master into auth-rpc
* Merge refs/heads/master into auth-rpc
* Merge refs/heads/master into auth-rpc
* leave out the stream interceptor
* resolve confs
* Merge branch 'master' into auth-rpc
* confs
* Merge branch 'auth-rpc' of github.com:prysmaticlabs/prysm into auth-rpc
* Merge refs/heads/master into auth-rpc
* Merge refs/heads/master into auth-rpc
* Merge refs/heads/master into auth-rpc
* Merge refs/heads/master into auth-rpc
* Merge variable declaration and assignment
* Use result of type assertion to simplify cases
* Replace call to bytes.Compare with bytes.Equal
* Drop unnecessary use of the blank identifier
* Replace x.Sub(time.Now()) with time.Until(x)
* Function literal can be simplified
* Use a single append to concatenate two slices
* Replace time.Now().Sub(x) with time.Since(x)
* Omit comparison with boolean constant
* Omit redundant nil check on slices
* Nested if can be replaced with else-if
* Function call can be replaced with helper function
* Omit redundant control flow
* Use plain channel send or receive
* Simplify returning boolean expression
* Merge branch 'origin-master' into fix-antipatterns
* Merge branch 'master' into fix-antipatterns
* Make bolt timeout a config value
* Merge refs/heads/master into best-practices0timeout
* Merge refs/heads/master into best-practices0timeout
* Merge refs/heads/master into best-practices0timeout
