gitian: add statically built variant of bitcoind/bitcoin-cli
Show error message if ReadConfigFile fails

A runaway exception was raised if ReadConfigFile fails (usually
due to a parse error in bitcoin.conf). Show an error message instead.

Fixes #4013.
build: Sync ax_boost_base.m4 with upstream.

This should fix 32bit boost detection on Ubuntu Saucy+. Fixes #3945.
Fixes the broken image in the Gitian Build Guide
gitian: upgrade openssl to 1.0.1g for both win and linux

OpenSSL 1.0.1g fixes CVE-2014-0160.

Also bump dependency versions.
Merge pull request #4018

4ae5e72 Show error message if ReadConfigFile fails (Wladimir J. van der Laan)
Merge pull request #4022

633bb8b Fixes the broken image in the Gitian Build Guide (Michael Ford)
Merge pull request #4019

13a2283 build: Sync ax_boost_base.m4 with upstream. (Cory Fields)
Merge pull request #3914

ddcd1af gitian: add statically built variant of bitcoind/bitcoin-cli (Wladimir J. van der Laan)
Merge pull request #4023

4a811b0 gitian: upgrade openssl to 1.0.1g for both win and linux (Wladimir J. van der Laan)
gitian: Version bump for Qt dependency

Bump Qt dependency version after OpenSSL update.
Very important. Thanks @michagogo for noting.