build: Update the other win32 deps

- miniupnpc-1.8
- openssl-1.0.1e
- zlib-1.2.8
- libpng-1.6.8
- qrencode-3.4.3
build: upgrade Qt used by windows build to 5.2.0
build: use Ubuntu 12.04 for linux gitian build
Update configure.ac

Added ubuntu 13.10 and libboost1.54-all-dev incompatibility instruction to the existing no boost_sleep warning.
Update build-unix.md

Added incompatibility and instruction regarding Ubuntu 13.10 and libboost1.54-all-dev
doc: bump boost version in release-process

This was forgotten in #3501.
gitian: add explicit dependency build for linux

Create a dependency file per architecture:

- bitcoin-deps-linux32-gitian-r1.tar.gz
- bitcoin-deps-linux64-gitian-r1.tar.gz
Merge pull request #3527 from laanwj/2014_01_gitian_win32_qt5

build: update win32 deps
Merge pull request #3536

0425715 gitian: add explicit dependency build for linux (Wladimir J. van der Laan)
279af1a build: use Ubuntu 12.04 for linux gitian build (Wladimir J. van der Laan)
Make gitian builds consistent across platforms

Change Linux deps to use a zip archive rather than a gzipped tarball to
match win32
Rename Linux descriptor to gitian-linux.yml to match win32
Added automake to the macports depdency list as it was required to complete the autogen.sh step as it required aclocal (which isn't included in recent versions of xcode).
Merge pull request #3546

f4e72bf Make gitian builds consistent across platforms (Micha)
Merge pull request #3547

8d31e61 Added automake to the macports depdency list as it was required to complete the autogen.sh step as it required aclocal (which isn't included in recent versions of xcode). (Scott Willeke)
Merge pull request #3542

69843c8 Update build-unix.md (Christopher Latham)
720731d Update configure.ac (Christopher Latham)