fixing typo. thx for the compiler warning

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@15208 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
small fixes to doc style, refs #2

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@15209 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
adding wikitable to css, refs #2

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@15210 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
Merge branch 'master' into planet