adapted installation documentation
P8010 notebook
updated build system; working on Graph (not yet finished)
dummy Makefile.am for Qt5 branch
Graph basic functionality and Dislin implementation updated
simplified file and object names in Dislin branch
adapted build system, using -Wextra in default of --enable-compilerWarnings
edits in documentation and configure.ac
serialization of AxisSystem
added various test programs, started attempts to serialize
