rename Edge to Line in MshElemType and CellType
mv Edge.h to Line.h
mv TemplateEdge.* to TemplateLine.*
rename Edge class to Line class, TemplateEdge to TemplateLine
add new Edge class as a topological base class for 1D elements and derive TemplateLine class from the class
VS 2012 include fix.
Provide default AssemblerLib::GlobalSetup ctor.

Compilation fails otherwise with clang-3.3.0, and other compilers.
Merge pull request #208 from endJunction/CorrectAssemblerLibGlobalSetupCompileError

Provide default AssemblerLib::GlobalSetup ctor.
One more VS 2012 include fix.
Updated exporter submodules.
Merge pull request #188 from norihiro-w/rename-edge-to-line

Rename Edge to Line in MeshLib
Remove misplaced typename.
Provide non-const version of SerialExecutor::execute for MSVC.

This is related to the bug http://connect.microsoft.com/VisualStudio/feedback/details/773565/cannot-call-const-forwarding-call-wrapper-result-of-std-bind#
Merge pull request #210 from endJunction/CorrectMSVCCompilerErrors

Correct MSVC compiler errors
Made scrolling in the MshView super-fast!
Measure mesh model setup time.
Removed node id column in the mesh view.

This roughly halves the time necessary to setup the model and view.
Test mesh had 25k nodes and 54k elements.

Replacing "Element " + QString::number(i) in line 88 with
QVariant((unsigned)i) would bring another 20% improvement.
[doc] Correct Doxygen input path.

Was forgotten in 32dc9130a move FemLib to OGS commit.