Merge branch 'branch-3.2.0' of https://github.com/Angel-ML/angel into… … branch-3.2.0
Merge pull request #942 from Gscim/branch-3.1.0 Branch 3.1.0
remove some constants
Merge pull request #847 from rachelsunrh/develop fix link
optimize line doc
[DOCS] fix link
Merge branch 'master' into branch-2.1.0
Merge branch 'hotfix' into branch-2.0.2 # Conflicts: # angel-ps/mllib/src/test/java/com/tencent/angel/ml/logisticregression/LRTest.java
[DOCS] remove "online" and "offline" title as "FTRL" can be use onlin… …e or offline
[DOCS] fix doc format