Update 02-developing-apps-with-liferay-ide.markdown

Added some text to the header on our three paths for getting Liferay IDE tools on top of Eclipse IDE.  Moved the bundled option to the top (as this is the most straightforward approach for new developers.
Update 02-developing-apps-with-liferay-ide.markdown

Added comments around starting the server
Update 02-developing-apps-with-liferay-ide.markdown

Corrected the folder location for preference setting.  Was 'Window', should read 'Eclipse'
Update 04-configuring-the-lcs-client.markdown

Minor fix
Update 03-writing-your-first-liferay-application.markdown
Wordsmithing.
Merge branch 'pr-79'
Merge branch 'patch-6' of git://github.com/juanferrub/liferay-docs into wordsmithing
Merge pull request #82 from denver-13/patch-1

Update 03-writing-your-first-liferay-application.markdown
We use toString() everywhere else.
Merge branch 'master' of github.com:liferay/liferay-docs