Issue/petsc 3 7

interface replacement for changing petsc functions

See merge request !18

smal type in petscsolver

small errors in petscSolver corrected

See merge request !17

PetscOptionsView corrected for petsc 3.7

Another incompatibility wiht petsc 3.7. solved

See merge request !16

petsc 3.7. ABI change in KSPMonitorSet included

The second argument type in KSPMonitorSet was changed in petsc version >= 3.7. This changes is included in AMDiS by providing a macro depending on the petsc version.

See merge request !15

Issue/cmake cleanup

Added some more fixes to old cmake versions

See merge request !14

Issue/cmake cleanup

CMake files for old and new (>=3.2) cmake versions are now synchonized, i.e. do nearly exactly the same, except for the used cmake commands.

The targets are now named according to a configuration, i.e. sequential targets get the suffix `-s` and parallel targets the suffix `-p`. For a debug configuration the suffix `d` is added addeitionally.

This several AMDiS versions can be installed in the same directory.

The `AMDiSConfig.cmake` script provides a component argument, where you can specify which configuration to load:

```cmake
find_package(AMDiS 1.1 REQUIRED [PARALLEL|SEQUENTIAL])
add_executable(yourTarget <yourSources>)
include_directories(${AMDIS_INCLUDE_DIRS})
compile_definitions(${AMDIS_COMPILEFLAGS})
target_link_libraries(yourTarget ${AMDIS_LIBRARIES})
```

Additionally a version argument can be provided, since a `AMDiSConfigVersion.cmake` file is generated.

See merge request !13