feat(lib): updating CHANGELOG.md for v5.1.0

CHANGELOG.md

@@ -1,3 +1,21 @@
+* Merge pull request #610 from crunck78/master (9ed2e69)
+* Update ngx-auth-firebaseui-register.component.ts (c1e4382)
+* Update ngx-auth-firebaseui-register.md (640d121)
+* password length validator for standalone registration component (847305a)
+* Merge pull request #602 from DavidTheProgrammer/master (081d3fd)
+* login/register:  Output raw UserCredentials on login and signup (363c46b)
+* Merge branch 'master' of https://github.com/AnthonyNahas/ngx-auth-firebaseui (d5dc54c)
+* Merge pull request #557 from asithade/terms-conditions-privacy-text (34cf813)
+* Merge pull request #574 from dennismuench/master (d6b344a)
+* Merge pull request #599 from asithade/autocomplete-password (c62c09d)
+* Merge branch 'master' into terms-conditions-privacy-text (736f705)
+* Login: Add Autocomplete on Registration/Login (b5f6756)
+* Merge branch 'master' of https://github.com/longcharmroeun/ngx-auth-firebaseui (21f7980)
+* Adjusted Circle CI config (9f12154)
+* Update ngx-auth-firebaseui-login.component.scss (06cce58)
+* Register Account: Update Docs (76b657b)
+* Register Account: T&C + Privacy Policy Dynamic Text Updates (4cf8725)
+
 * fix(project): updated the dependencies (ec0ebab)
 
 * docs(project): updated the reamde (d4292ea)