documentation fixes in Phalcon\Events
added events: beforeServiceResolve and afterServiceResolve
fix indents to tabs
Update memory.zep

removed double comma.
Update CHANGELOG
Fix #3073 - Disable view when redirecting
bugfixes + tests + manager::detach
fix #3115 (registerNamespaces with merging)
fix #3114 (Phalcon\Mvc\View\Simple::getRegisteredEngines())
Fix too many levels in columns' array

See: https://github.com/phalcon/cphalcon/issues/3069
Allow Status to be null
Merge pull request #3117 from quantum13/loader

[2.0.0] fix #3115 (registerNamespaces with merging)
Merge pull request #3118 from quantum13/registered_engines

[2.0.0] fix #3114 (Phalcon\Mvc\View\Simple::getRegisteredEngines())
Merge pull request #3108 from vpg/fix_3073

Fix #3073 - Disable view when redirecting
Merge pull request #3082 from zekiunal/2.0.0

Update memory.zep
Merge pull request #3071 from KorsaR-ZN/2.0.0

[2.0.0] added events in Phalcon\Di
Merge pull request #3120 from dugwood/patch-6

Fix too many levels in columns' array
Merge pull request #3066 from skollro/2.0.0

documentation fixes in Phalcon\Events
Merge pull request #3116 from quantum13/events_manager

[2.0.0.] EventsManager: bugfixes + tests + detach
Merge pull request #1 from phalcon/2.0.0

2.0.0