Minor case fix

s/english/English/, s/owncloud/ownCloud, s/mysql/MySQL/, and
s/apache/Apache/.

Conflicts:
	admin_manual/config/APPS.rst
	admin_manual/config/Verification.rst
	admin_manual/installation/installation_source.rst
Minor typo fix

s/publically/publicly/, s/Arugments/Arguments/,
s/accidently/accidentally/, and s/ie/i.e.,/.

Conflicts:
	admin_manual/quota/Sharing.rst
	admin_manual/share_app/Introduction.rst
	admin_manual/sharing_api/Get_Information_about_a_known_share.rst
	admin_manual/sync_client/Advanced_Usage.rst
	admin_manual/sync_client/Visual_Tour.rst
	admin_manual/undelete/Utilization.rst
	admin_manual/web_guide/Adding_Data.rst