consistency fix for scripts: foamCheckJobs, foamPrintJobs, foamLog

- drop reference to license directory
- check -help before checking directories

- search for foamLog.db is more consistent with foamEtcFile
    $HOME/.OpenFOAM/$WM_PROJECT_VERSION
    $HOME/.OpenFOAM
    $WM_PROJECT_INST_DIR/site/$WM_PROJECT_VERSION
    $WM_PROJECT_INST_DIR/site
    $WM_PROJECT_DIR/etc
    $PROGDIR/tools

bin/tools/foamLog.db

@@ -0,0 +1,53 @@
+#------------------------------------------------------------------------------
+# Query database for Foam Log extraction.
+# Each line stands for one query:
+#
+#    name '/' line selector '/' column selector
+#
+# e.g.
+#    kMin/bounding k,/min:
+#
+# The extraction will select a line using 'bounding k,' and in the line
+# takes the word following 'min:' as the value.
+#
+# A special entry is the 'Separator' entry which delimits one iteration
+# from the other.
+#
+#------------------------------------------------------------------------------
+
+#- String to recognize new iteration by (usually same as 'Time')
+Separator/^[ \t]*Time = /Time = 
+
+#- Time value:
+Time/^[ \t]*Time = /Time = 
+
+#- Continuity errors:
+contLocal/time step continuity errors :/sum local = 
+contGlobal/time step continuity errors :/ global = 
+contCumulative/time step continuity errors :/cumulative = 
+
+#- Special for combustion code:
+minFu/min\(fu\) = /min(fu) = 
+minFt/min\(ft\) = /min(ft) = 
+
+#- Execution time:
+executionTime/ExecutionTime = /ExecutionTime = 
+
+#- Courant no:
+CourantMax/Courant Number /max: 
+CourantMean/Courant Number /mean: 
+
+#- K bounding
+kMin/bounding k,/min: 
+kMax/bounding k,/max: 
+kAvg/bounding k,/average: 
+
+#- epsilon bounding
+epsMin/bounding epsilon,/min: 
+epsMax/bounding epsilon,/max: 
+epsAvg/bounding epsilon,/average: 
+
+#- gamma bounding
+gammaMin/Min\(gamma\) =/Min(gamma) = 
+gammaMax/Max\(gamma\) =/Max(gamma) = 
+