Update Cronjobs-in-Contao.md

fixed some typos
Update Eigene-Inserttags.md

fixed some typos
Update Hooks-in-Contao.md

fixed some typos
Update 07-Customizing-Contao.md

fixed some typos
Update 05-System-administration.md

fixed some typos
Update 02-Administration-area.md

fixed some typos
Conflicts:
	manual/de/02-Administration-area.md
Update 01-Installation.md

fixed some typos
Update 03-Managing-pages.md

fixed some typos
Conflicts:
	manual/de/03-Managing-pages.md
Update 04-Managing-content.md

fixed some typos
Conflicts:
	manual/de/04-Managing-content.md
Update 04-Managing-content.md

fixed some typos
Update 06-Data-Container-Arrays.md

fixed some typos
Conflicts:
	manual/de/06-Data-Container-Arrays.md
Update 07-Customizing-Contao.md

Ich habe die fehlende Beschreibung zum Hook parseTemplate hinzugefügt (nur deutsch).
Update 07-Customizing-Contao.md
Update 07-Customizing-Contao.md

Rückgabe des Objects über & vor dem Parameter
Update 07-Customizing-Contao.md

Abfrage des Template-Namen hinzugefügt
& entfernt
Update 07-Customizing-Contao.md

+ (kann beides sein, FrontendTemplate und BackendTemplate)
$TempObj -> $objTemplate
Added english translation
Small improvements to german version
Merge pull request #160 from srhinow

Update 07-Customizing-Contao.md
added example to fields at labels