Made edits to learning path
LRDOCS-1292 Fixed typo that prevented most of the Markdown from being rendered
LRDOCS-1292 Re-worked intro to AlloyUI learning path
LRDOCS-1292 Moved alloyui learning path to new location after the asset learning path
LRDOCS-1292 'Alloy UI' -> 'AlloyUI'
LRDOCS-1292 Merged previous learning path (assets) into this one (alloyui)
LRDOCS-1292 Removed silly phrase generator from edit_entry.jsp; more text refactoring in AUI validator section
LRDOCS-1460 Added generate sample messages button to edit_entry.jsp and styles.
LRDOCS-1292 SF, clarify names
LRDOCS-1292 SF Use <aui:script /> use attribute
LRDOCS-1292 SF
LRDOCS-1292 SF, renaming for clarification
Removed unused 'use' variable, removed the 'use' CSS id from the 'Use' buttons; a CSS id should only be applied to a single element
LRDOCS-1292 SF
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'
LRDOCS-1292 Moved remaining characters message so it appears above the Message field; SF
LRDOCS-1292 Removed unused CSS
LRDOCS-1292 SF