Update README.md
Readibility

Adding grammar
Merge pull request #1 from timovn/master

adding browsers, categories and some software links
Various additions
 Changing Steam into a list and adding Desura
 Adding transmission
Adding utilities
Adding Truecrypt
Adding VLC's download page
Adding package managers
 Cygwin
Adding foobar2000
Adding Skype full installers links
Correcting skype link
update