Compute checksum internally without calling md5sum
Search PIDs manually instead of calling pidof
Optimize performance - avoid QRegExp

Use string searching wherever possible instead of constructing temporary
regular expressions, and if a regexp is required, use QRegularExpression
instead.

These changes reduce loading time from ~3.5 seconds to ~2.3 seconds.
Add qtdeclarative5-dev to apt-get. fixes #111
Desktop file fixes.
missing burial/vehicle hauling, fix pref matching

- adds the missing push/haul vehicle and burial labors to the full view
- fixes the preference matching when an exact match is required
- fixes wield checks when a specific weapon is required for a preference
merge Hello71 qregexp
fix preference matching

- fixes preference filtering via the filter box or the dock after the
merge changes (eg. tin shouldn't match platinum or tin glaze)
Merge remote-tracking branch 'Hello71/pidof' into DF2014
Merge remote-tracking branch 'Hello71/checksum' into DF2014
Merge pull request #112 from Hello71/building

Add qtdeclarative5-dev to apt-get. fixes #111
Merge pull request #116 from wRAR/DF2014

Desktop file fixes.
fixes #69

- adds a log message and placeholder health information if it's missing
from the game_data.ini (most likely due to manual updating)
Make QML/QtScript inclusion conditional on version