Merge pull request #372 from Hummer12007/master

Implement opening local files with relative paths, fixes Emdek/Otter#371
Fix compilation
Use (almost) the same logic to identify URLs passed from command line like in AddressWidget, references #371
Ultimately it should be moved to own class, including host lookup
Introduce Otter::Action
Use the same names like in Opera
Option allowing use selection clipboard on Linux
Fix automatic generater RPM using cPack
Merge pull request #375 from xyz32/RPM_CPack_Fix

Fix automatic generater RPM using cPack