Minor case fix

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

s/publically/publicly/, s/Arugments/Arguments/,
s/accidently/accidentally/, and s/ie/i.e.,/.
Remove spurious newline
Merge pull request #282 from DavidPrevot/tfix

Typo fixes