FastshareCz: improved plugin.
Fixes #302
Bayfiles: fixed #308
SimpleHoster: improved 0.4.9 cookie bug workaround
Zippyshare: little improvements.
MultiHosters: no need an account if the link has already been converted.
See also #307
Putlocker: fixed #306
Hosters: first cleanup for setup vars
Hosters: second cleanup for setup vars
Plugin version reverted