SI-7463,SI-8003 Correct wrong position for {select,apply}Dynamic calls

The new positions are range positions that directly refer to the
beginning and the end of the method calls in the sources instead of
simply point to the beginning of the expression. This allows the
scala-ide to semantically highlight select- and applyDynamic method
calls, because it has only to traverse the tree and apply the color
ranges to the given position ranges.

This also fixes the position marker of an error messages related
to a wrong Dynamic method signature.
SI-8004 Resolve NoPosition error for applyDynamicNamed method call

Previously, there were no positions created for the tuples that are
generated while doing the transformation for an applyDynamicMethod call. 
This led to an NoPosition error in scalac when one tries to show
position information in the AST. Furthermore, this simplifies semantic
highlighting in the scala-ide because no position information for color
ranges have to be created anymore.
SI-8005 Fixes NoPositon error for updateDynamic calls

Previously there occurred a NoPosition error when one asks for position
information in the AST because no positions were set to the trees
created during the transformation for updateDynamic calls. This commit
applies range positions to the trees in order to being able to highlight
them inside of the scala-ide.