ui: Revised project setup to customer feedback

* Support environment variables in compilation database path
* Moved advanced option (compiler flags & exclude paths) to separate dialog
* Allow environment variables that contain multiple paths
* Renamed 'Project Name' to 'Coati Project Name'
* Renamed 'Project File Location' to 'Coati Project Location'
* Renamed 'Project Paths' to 'Indexed Paths'
* Make all paths chosen by path picker relative to the project location
* Disabled name and location changing in project editing and removed project moving
* Added sub-titles to project setup dialogs
* Warn user when no Indexed Header Paths were set
* Deprecated lazy include search: It's only useable and visible to projects holding the key
* Split default file extensions for C++ and C

bug ids = 234 254 283 293 312 335

bin/app/data/gui/window/window.css

@@ -11,6 +11,12 @@ QLabel, QCheckBox {
 	font-weight: bold;
 }
 
+#subTitle {
+	font-size: 13px;
+	font-weight: bold;
+	color: gray;
+}
+
 #projectTitle {
 	font-size: 14px;
 	font-weight: bold;
@@ -89,22 +95,30 @@ QLabel, QCheckBox {
 }
 
 #name, #picker {
-	background: white;
+	background: transparent;
 	border-radius: 10px;
 	border: 1px solid lightgrey;
-	color: black;
+	color: gray;
 	padding: 2px 5px 0px;
 }
 
+#name:enabled, #picker:enabled {
+	color: black;
+}
+
 #locationField {
-	background: white;
+	background: transparent;
 	border: none;
 	border-radius: 5px;
-	color: black;
+	color: gray;
 	margin-left: 5px;
 	margin-top: 2px;
 }
 
+#locationField:enabled {
+	color: black;
+}
+
 #dotsButton, #refreshButton {
 	margin-right: 2px;
 }