added utterance type branching code for interrogative
Changed default debugger from nemiver to gdb (definitely the standard)
Minor indentation fixes
Misc fixes
Some more indentation and misc fixes
icmake: minor printing fix
fix build break: add missing ifdef
build: avoid build breaks of guile not installed
Merge pull request #1077 from linas/gull

build-break fixes for the case where guile is not installed
Handle EOF
fix for bug #1021 -- check for cxxtest

If cxxtest is not installed, then do not run the unit tests.
Relax diversity_parameters::dst type (vector of floats)
Remove eval-diversity don't compile code macro
allow subgraph matching and generalize subject-object functions
improve interrogative sentence form and added interrogative test atomspace
more utterance type code changes
slightly improve pronoun code and included subgraph matching
Fix outdated comment of PAI::createActionPlan()
Formatting fixes (80 col max) + identation fixes
Fix constness in PAI::getActionSeqFromPlan and PAI::isActionPlanEmpty