fix: GUI Disappearing #1522 (Mac OSX)

- this solution works stable on mac and ensures that the window get's reopened when the user clicks the dock icon .
- tested on 10.8 with Qt4.8.4 and Qt5.0.1

Signed-off-by: Jonas Schnelli <jonas.schnelli@include7.ch>
added bitcoin-qt manpage and corrected a few minus signs used as hyphens in other manpages
re-remove irc reference in bitcoin.conf.5
small updates for walletview.cpp

- make "&Export" translatable
- fix some includes
- small formatting changes
Allow select()ing up to 1024 file descriptors on Windows
qt: remove fee recommendation in settings

This value gets stale really quickly, do not hardcode it into a message.
Completely remove it for now.
Later on, a mechanism will be added to determine fees based on the mempool.

Closes #2576
Merge pull request #2582 from laanwj/2013_04_options_fee_recommendation

qt: remove fee recommendation in settings
Merge pull request #2564 from Diapolo/walletview

small updates for walletview.cpp
Merge pull request #2559 from maqifrnswa/manpages

added bitcoin-qt manpage and corrected a few minus signs
Merge pull request #2530 from jonasschnelli/mac_win_reopen_fix

fixes #1522: GUI Disappearing (Mac OSX)
netbase.cpp: remove duplicate code

WIN32 and non-WIN32 use the same logic here
fix !O_NONBLOCK where ~O_NONBLOCK was meant

Using ! on a non-zero value will always return 0.

Also remove some duplicate and superfluous code in other places.
Prevent prevent file descriptor leak in ShrinkDebugFile()
Merge pull request #2584 from laanwj/2013_04_shrinkdebugfile_leak

Prevent prevent file descriptor leak in ShrinkDebugFile()
Print actual Win32 error that occurred on file creation failure.
Checking whether closing succeeds
move WSAStartup to init

WSAStartup should be called before using any other socket
functions. BindListenPort is not called if not listening.

Closes #2585.
Allow files to be opened for reading multiple times
Merge pull request #2586 from laanwj/2013_04_winsock_init

move WSAStartup to init
Try to increase file descriptor rlimit if necessary

As the default can be too low, especially on OSX.