1. Added a standard header to each code module and removed obsolete comments.
2. Re-named several of the sub-structs in the project struct and re-arranged some of their contents.
3. Re-named _defaultModel to _defaultProject.
4. Removed the need to call EN_createproject and EN_deleteproject when working with the default project.
5. Made X & Y coords. part of Snode properties instead of a separate struct.
6. Moved the non-API functions in epanet.c into a new module named project.c.
7. Re-factored the quality module so that it uses the same nodal adjacency lists as the hydraulics solver.
8. Re-factored the sparse matrix module (smatrix.c) to be more memory efficient.
9. Restricted line lengths to < 90 columns.
10. Grouped the placement of functions in EPANET2.H and EPANET.C by category.
- Deleting controls with node/link deletion made conditional.
- New EN_addrule function added along with a test file.
- Rule structures re-named & rules.c heavily modified.
- Issue with exceeding limit on number of temporary file names fixed.
- VB declaration and DEF files updated.
- Complete rewrite of EN_setlinktype with link index argument passed by reference
- New unit test of EN_setlinktype added
- New function EN_setlinknodes added
* Adding support for unit testing using boost unit test and ctest
* Adding libboost-test to Travis config.
* Adding libboost-test to Travis config.
* Modifying per element comparison
* Modifying per element comparison
* Fixing typo
* Fixing typo
* Adding custom comparison for strings
* Updating Travis to run unit tests
* Updating Travis to run unit tests
* Fixing typo
* Preparing unit testing to run on Appveyor
* Preparing unit testing to run on Appveyor
* Preparing unit testing to run on Appveyor
* Preparing unit testing to run on Appveyor and Travis
* Preparing unit testing to run on Appveyor and Travis
* Preparing unit testing to run on Appveyor and Travis
* Preparing unit testing to run on Appveyor
* Preparing unit testing to run on Appveyor
* Fixing unit testing path issue in CMake
* Fixing unit testing path issue in CMake
* Fixing bugs in cmake and appveyor scripts
* Rolling back generate_export_header in cmake
