Minor changes to build scripts: Bogus whitespaces, missing debug output, missing make dependecies
Shorter names for "new" local make targets.  Added build directory to .gitignore
Undo change to SGVector<char>::display_vector.
Added display_vector() method to SGSparseVector for easier debugging.
Disable temporarily buggy FactorGraph tests
Merge pull request #1311 from iglesias/develop

Disable temporarily buggy FactorGraph tests
Merge pull request #1310 from tklein23/display_for_sparse_vector

Added display_vector() method to SGSparseVector for easier debugging.
Merge pull request #1308 from tklein23/display_vector_char_revert

Undo change to SGVector<char>::display_vector.
FactorGraph_unittest memory leak fixed
Merge pull request #1309 from van51/feature/quadratic

Quadratic support for rest numerical hashed classes
don't fail tests if jinja2 is not available
Merge pull request #1306 from tklein23/develop

Minor changes to build scripts
add GP swig file to ignores
fast (slow) fix of unused variable warning
Minor refactoring in SGMatrixList.
Methods don't return refs to matrix elements and a setter is provided
instead
Merge pull request #1313 from gsomix/feature/parser

 fix of unused variable warning
re-add the main Examples page to get things back working
added Parser
Merge pull request #1314 from iglesias/feature/fix_matrixlist

Fix crashers occurring with SGMatrixList.
Merge pull request #1315 from gsomix/feature/parser

Added Parser class