Fix getbalance discrepency

Two changes:

Use IsConfirmed() instead of IsFinal(), so 'getbalance "*" 0' uses the same
'is this output spendable' criteria as 'getbalance'. Fixes issue #172.

And a tiny refactor to CWallet::GetBalance() (redundant call to IsFinal -- IsConfirmed
calls IsFinal).
getbalance with no arguments and 'getbalance "*" 0' could return different different results,
Bugfix: makefile.linux-mingw: Fix so passed CXXFLAGS/LDFLAGS work correctly
Bugfix: makefile.unix: Honour BOOST_LIB_SUFFIX on boost_unit_test_framework
add address and account information to listunspent
Make MIN_TX_FEE match MIN_RELAY_TX_FEE.

Current relay behavior is widely deployed. Supplying a higher minfee than
mining and relaying just irritates users without anti-spam gain.
Bitcoin-Qt: update for BitcoinGUI::eventFilter()

- this allows us to use the progressbar and the label independently (if
  needed) and still prevents setStatusTip() to use them, if one of the 2
  is active
Bitcoin-Qt: emit numBlocksChanged for changed reindex or importing state

- this allows our progressbarlabel to correctly update, when we
  finish a reindex or import, but do not get new blocks from other sources
moved bitcoin.svg to correct folder (qt/res/src)

Signed-off-by: Jonas Schnelli <jonas.schnelli@include7.ch>
new windows and linux icons

- new windows .ico contains multiple resolutions up to 256px
- new testnet (green) icon
- new png icon for llinux, etc.
- new doxygen icon
- changed the assets-attribution.txt

Signed-off-by: Jonas Schnelli <jonas.schnelli@include7.ch>
Always print full hashes (tx, block, inv)
qt: remove redundant wallet methods from bitcoingui

send encryptWallet/backupWallet/changePassphrase directly to walletFrame
Merge pull request #2282 from mb300sd/addressinlistunspent

Address in listunspent
new icons: overhaul oxygen icon (was to blurry)

Signed-off-by: Jonas Schnelli <jonas.schnelli@include7.ch>
Merge pull request #2403 from gmaxwell/minfee-to-relayfee

Make MIN_TX_FEE match MIN_RELAY_TX_FEE.
Merge pull request #2272 from gavinandresen/getbalancefix

Fix getbalance discrepency
Merge pull request #2419 from sipa/noreltime

Drop release times for CNode
Merge pull request #2477 from jonasschnelli/new_icons

new icons for windows, linux, etc.
Merge pull request #2481 from laanwj/2013_04_cleanup

qt: remove redundant wallet methods from bitcoingui
Merge pull request #2470 from Diapolo/progressbarlabel

Bitcoin-Qt: update for BitcoinGUI::eventFilter()
Merge pull request #2243 from luke-jr/bugfix_leveldb

LevelDB build bugfix