small updates for walletview.cpp
small updates for walletview.cpp

- make "&Export" translatable
- fix some includes
- small formatting changes

reddink/reddcoin,reddcoin-project/reddcoin,coinkeeper/2015-06-22_19-10_cannacoin,ahmedbodi/poscoin,bmp02050/ReddcoinUpdates,Cannacoin-Project/Cannacoin,ahmedbodi/poscoin,coinkeeper/2015-06-22_19-10_cannacoin,coinkeeper/2015-06-22_18-46_reddcoin,reddink/reddcoin,coinkeeper/2015-06-22_18-46_reddcoin,reddink/reddcoin,ahmedbodi/poscoin,coinkeeper/2015-06-22_18-46_reddcoin,bmp02050/ReddcoinUpdates,coinkeeper/2015-06-22_18-46_reddcoin,Cannacoin-Project/Cannacoin,joroob/reddcoin,reddcoin-project/reddcoin,Cannacoin-Project/Cannacoin,joroob/reddcoin,bmp02050/ReddcoinUpdates,reddcoin-project/reddcoin,ahmedbodi/poscoin,reddcoin-project/reddcoin,Cannacoin-Project/Cannacoin,reddcoin-project/reddcoin,coinkeeper/2015-06-22_19-10_cannacoin,coinkeeper/2015-06-22_19-10_cannacoin,coinkeeper/2015-06-22_19-10_cannacoin,ahmedbodi/poscoin,joroob/reddcoin,reddink/reddcoin,bmp02050/ReddcoinUpdates,joroob/reddcoin,reddcoin-project/reddcoin,coinkeeper/2015-06-22_18-46_reddcoin,bmp02050/ReddcoinUpdates,reddink/reddcoin,joroob/reddcoin,Cannacoin-Project/Cannacoin