Fix wt

- Defaults wt's boost to 1.48 as that runs on 12.04 and 14.04
- See http://packages.ubuntu.com/search?keywords=libboost-dev

Closes #1007
Formatting: replaced tabs with 8 spaces, removed PostgreSQL workaround
Building boost from source, using g++ 4.8 to make it work on Ubuntu 12.04 and 14.04
Merge branch 'master' into wt-1007

Conflicts:
	toolset/setup/linux/frameworks/wt.sh
Move wt's bash_profile into location
Use apt for wt instead of build from source
Merge branch 'wt-fixes' of https://github.com/RockinRoel/FrameworkBenchmarks into wt-1007

Conflicts:
	toolset/setup/linux/frameworks/wt.sh
Move bash_profile improvements into new directory structure
Merge branch 'master' into wt-1007
Merge pull request #1009 from hamiltont/wt-1007

Wt: Fix installation and minor verification errors