Add a .hgignore for the slightly strange people who use Mercurial

--HG--
branch : bgschaid/foam3FixesBranch

.hgignore

@@ -12,6 +12,9 @@ syntax: glob
 *.orig[0-9][0-9]
 \#*\#
 
+# file-browser settings - anywhere
+.directory
+
 # CVS recovered versions - anywhere
 .#*
 
@@ -33,10 +36,11 @@ syntax: glob
 # A hidden file created by the Mac OS X Finder.
 .DS_Store
 
-# Ignore the build-dirctories
-darwinIntel*/
+# build folders - anywhere
 linux*Gcc*/
 linux*Icc*/
+darwin*Gcc*/
+darwin*Intel*/
 linuxming*/
 SiCortex*Gcc*/
 solaris*Gcc*/
@@ -62,6 +66,9 @@ doc/[Dd]oxygen/html
 doc/[Dd]oxygen/latex
 doc/[Dd]oxygen/man
 
+# generated files in the main directory (e.g. ReleaseNotes-?.?.html)
+/*.html
+
 # patch residue
 *.orig
 *.rej
@@ -74,20 +81,24 @@ PlyParser_FoamFileParser_parsetab.py
 
 # other stuff
 .build
-# .gitignore
+.gitignore
 .timeStamp
 
+# source packages - anywhere
+*.tar.bz2
+*.tar.gz
+*.tar
+*.tgz
+*.gtgz
+
+# ignore - changes to the configuration
+etc/prefs.csh
+etc/prefs.sh
+
 # make sure that this settings file is not used
 etc/bashrc.preset
 
 #Test-Harness generated stuff
-testHarness/OpenFOAM/1.6-ext/runDir/tutorialsTestSuites_oneTimeStep
-testHarness/OpenFOAM/1.6-ext/runDir/Testing
-testHarness/OpenFOAM/1.6-ext/runDir/CMake*
-testHarness/OpenFOAM/1.6-ext/runDir/CTestTestfile.cmake
-testHarness/OpenFOAM/1.6-ext/runDir/DartConfiguration.tcl
-testHarness/OpenFOAM/1.6-ext/runDir/Makefile
-testHarness/OpenFOAM/1.6-ext/runDir/cmake_install.cmake
 
 # The following files are blacklisted because of a DMCA complaint by ANSYS.
 src/lduSolvers/tools/PriorityArray.C