updating release notes

RELEASENOTES.md

@@ -1,6 +1,23 @@
 WRENCH Release Notes
 ------
 
+### WRENCH 1.5
+
+(Feb 07, 2020) This release includes a series of new features and bug fixes, including:
+
+- Simulation of failures
+- WRENCH Dashboard
+- Enabled Pilot Job Submission for HTCondor compute service
+- Improved exception handling
+- Added a `BatchComputeServiceProperty` to make it possible to ignore bogus job specifications in workload trace files
+- Allow users to define `SIMGRID_INSTALL_PATH` for non-standard SimGrid installations
+- Code performance improvements
+- Bug fixes: [#104](https://github.com/wrench-project/wrench/issues/104), [#116](https://github.com/wrench-project/wrench/issues/116), [#118](https://github.com/wrench-project/wrench/pull/118)
+
+**Note**: WRENCH 1.5 requires [SimGrid 3.25](https://simgrid.org).
+
+---
+
 ### WRENCH 1.4
 
 (Apr 22, 2019) This release includes a series of new features and bug fixes, including:
@@ -14,6 +31,8 @@ WRENCH Release Notes
 
 **Note**: WRENCH 1.4 requires [SimGrid 3.21](https://simgrid.org).
 
+---
+
 ### WRENCH 1.3
 
 (_Jan 3, 2019_) This release includes a series of new features and bug fixes, including:
@@ -26,6 +45,8 @@ WRENCH Release Notes
 
 **Note**: WRENCH 1.3 requires [SimGrid 3.21](https://simgrid.org).
 
+---
+
 ### WRENCH 1.2
 
 (_Nov 6, 2018_) This release includes a series of new features and bug fixes, including:
@@ -38,6 +59,8 @@ WRENCH Release Notes
 
 **Note**: WRENCH 1.2 requires [SimGrid 3.21](https://simgrid.org).
 
+---
+
 ### WRENCH 1.1
 
 (_Aug 26, 2018_) This release includes a series of **new features** and **bug fixes**, including:
@@ -51,6 +74,8 @@ WRENCH Release Notes
 
 **Note**: WRENCH 1.1 requires [SimGrid 3.20](https://simgrid.org)
 
+---
+
 ### WRENCH 1.0.1
 
 (_Aug 14, 2018_) On this minor bug fix and small improvements release, we provide:
@@ -61,6 +86,8 @@ WRENCH Release Notes
 
 **Note**: WRENCH 1.0.1 requires [SimGrid 3.20](https://simgrid.org)
 
+---
+
 ### WRENCH 1.0
 
 (_Jun 16, 2018_) This release provides a set of (simulated) services that can be instantiated on the simulated platform: