0.6.2 -> 0.6.3 (208 -> 239)

Added schedulers - two schedulers, random and sequential, allow to specify which process is going to be evaluated in the next evaluation step
XML output support
Added mechanism for overloading methods
Operator precedence support, new operators (*, /, %, &&, ||, . - string concatenation)
Code refactoring, added comments to the code
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+ lanq.library.methods.Operator{And,Or} - operators && and ||
* better formatting of constants in the text format
* library.methods.Operator - added precedence of operators
* library.methods.Operator* - modified to set the precedence
+ library.methods.OperatorConcat* - string concatenation operator
* library.methods.PrintInt - does not add a newline symbol to the printed number (to be consistent with print(string))
* lanq.semantics.Methods - added verbosity parameter and operator precedence handling
+ lanq.ExecutionProps - stores runtime parameters
* lanq.Main - runtime parameters are stored in ExecutionProps object, verbosity parameter in Methods initialization
* lanq.syntax.gramatika-2.antlr - operator precedence support
+ lanq.library.dynamic.syntax.grammar.antlr - displaying actions when in verbose mode
* lanq.semantics.GlobalStatePart - renamed to lanq.semantics.Configuration
* lanq.semantics.LocalStatePart - renamed to lanq.semantics.LocalProcessState
* changes to other sources due to this renaming
* minor modifications
+ lanq.semantics.schedulers - sequential and random
! lanq.semantics.LocalMemState - modified to match the specification of local memory state update
* lanq.memory.GQuantumMemory - switched to interface
+ lanq.memory.GQuantumMemoryDensM - original lanq.memory.GQuantumMemory
- lanq.library.methods.Print - moved to lanq.library.methods.PrintInt
- lanq.library.methods.OperatorPlus - moved to lanq.library.methods.OperatorPlusIntInt
generalized internal representation of measurements
+ added overloaded operators + for concatenation of strings and printing strings
+ library.methods.CustomProjector - added support for custom projectors
* lanq.semantics.methods - added mechanism for overloading methods
* lanq.semantics.VariablePropertiesTuple - added "static" keyword to inner class (due to FindBugs)
+ lanq.output.XMLFormat - XML output formatter
! lanq.exceptions.LanQException - corrected minor bug in property definition (found by FindBugs)
! lanq.output.{Text,LaTeX}Format - corrected error in output of bracketted Expression
* lanq.output.OutputFormat - added formatting for \circ_G
! lanq.semantics.primitives.AssignmentExpression - corrected the error as in the previous commit (in fact, moved setting the ChannelEnd_i reference from AsnExpr to LocalMemState to be consistent with formal semantics)
! lanq.semantics.LocalMemState - adding a mapping to channel sets channel ends accordingly