Merge pull request #106 from ppkk/devel

area of a marker in mesh
A testing commit for the buildbot.
Buildbot testing.
Buildbot testing continues.
Solution load and save method based on BSON implementation
Fix FindBSON.cmake for Win.
Finish BSON addition.
Add miscelaneous files to .gitignore.
Make Hermes::showInternalWarnings reflect Release/Debug build.
Update of views - make set_title use variable arglist, delete unused code.
Fix Linearizer for derivatives etc.

Fixes #107
Make if(this->get_type() == HERMES_SLN) not needed in user clone() methods. Fixes #94.
Implement and test AMG PARALUTION solver.
Make some test example safe to use without PARALUTION.
A fix.
Make Weakform be by default not-logging.
Rename L2MaterialWiseConstSpace -> L2MarkerWiseConstSpace.
Start with logging to files using Mixins::Loggable.
Saving of L2MarkerWiseConstSpace.
Make HERMES_L2_MARKERWISE_CONST_SPACE solution save/load. Fixes #103.