Merge pull request rubberduck-vba#3452 from ThunderFrame/next

Adds export/clipboard button to ToDo Explorer

Merge pull request rubberduck-vba#3457 from retailcoder/DisabledMenuItem

Fixes CodeExplorer searchbox enabled state, minor UI tweaks

Merge pull request rubberduck-vba#3455 from retailcoder/CommandBarIssues

Handle/log exceptions thrown during initialization and localization of commandbar controls.

Merge pull request rubberduck-vba#3451 from retailcoder/ObjectVariabl…

…eNotSet

"Object variable not set" inspection enhancements: assignments to Nothing are now taken into consideration.

Merge pull request rubberduck-vba#3447 from Vogel612/german-i18n

Updated German translations.

Merge pull request rubberduck-vba#3445 from rkapka/rkapka-master

C# 6 and C# 7 improvements to the source code - no functionality change.

Merge pull request rubberduck-vba#3442 from retailcoder/resx

Mise à jour des traductions en Français.

Merge pull request rubberduck-vba#3439 from mansellan/3261

Adds "Refresh" command in main Rubberduck menu.

Merge pull request rubberduck-vba#3435 from Vogel612/typecrutch

Removes IInspection interceptors, mechanics replaced with templated method.

Merge pull request rubberduck-vba#3433 from mansellan/3430

Added try/catch and logging when a command's 'CanExecute' implementation throws an exception, to prevent derailing the entire menu creation when one single command bombs.