[ENH] average shared value nodes in ComputeFieldGradient for continuous fields
[COSM] documentation
[DEV] stable no-slip BC for LEE
[ENH] CreateField's 'functions' option now has little different behavior
[FIX] boost::any conversions to std::vector<T>
[ENH] CreateField::signal_create_field()
[ENH] python changes
- Libraries can be manually loaded with coolfluid.libs.load(['cf3.sdm','cf3.sdm.lineuler'])
- Renamed coolfluid.Core.proc() to coolfluid.Core.rank()
- Renamed cf.environment to cf.env
[FIX] memory problem due to uninitialized value
[ENH] fields have date time and step information
[FIX] mesh readers and writers
[ENH] mesh enhancements
- Dictionary does not need to know about meshes, so it can be moved outside,
  and even be a combination of multiple meshes
- Mesh has now signals to create internal spaces (dictionaries)
[COSM] move solver/actions/Criterion* to solver/Criterion*
[COSM] cleanup
[FIX] wrong name for global_bounding_box
[FIX] trim white_spaces
[FIX] compilation for Apple clang version 4.0
[FIX] can now pass vector of component handles as signal arguments
Merge remote-tracking branch 'nilsvandensteen/master'

* nilsvandensteen/master:
  3D navierstokesmovingreference and utest
  3D navierstokesmovingreference and BC
  [FIX] bug in BCSubsonicInlet2D.hpp
  [FIX] bug BCSubsoncInlet2D
  [FIX] bugs nsmovingref BC
  solving conflicts
[FIX] channelflow_testcase
[ENH] new component cf3::solver::TimeStepping to control simulations
- This component should be called by ModelUnsteady::simulate()
- Memory, cputime per step, walltime, ... are printed to file and screen